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forces

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Unbalanced means if two individual forces are not of equal magnitude and opposite direction,then the forces are said to be balanced.

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Unbalanced means if two individual forces are not of equal magnitude and opposite direction,then the forces are said to be balanced.

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EricUnbalanced

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Unbalanced Forces Defined

Any push or pull is a force. To describe a force, you must know two things. You must know the size of the force and the direction of the force. Suppose two teams are playing tug of war. Each team is pulling with equal force, but in opposite directions. Neither team can make the other team move. Forces that are equal in size but opposite in direction are called balanced forces.

Balanced forces do not cause a change in motion. When balanced forces act on an object at rest, the object will not move. If you push against a wall, the wall pushes back with an equal but opposite force. Neither you nor the wall will move. Forces that cause a change in the motion of an object are unbalanced forces.

Unbalanced forces are not equal and opposite. Suppose that one of the teams in tug of war pulls harder than the other team. The forces would no longer be equal. One team would be able to pull the other team in the direction of the larger force.

Force and Motion

More than one force can act on an object at the same time. If you hold a paper clip near a magnet, you, the magnet and gravity all exert forces on the paper clip. The combination of all the forces acting on an object is the net force. When more than one force is acting on an object, the net force determines the motion of the object. In this example, the paper clip is not moving, so the net force is zero.

How do forces combine to form the net force? If the forces are in the same direction, they add together to form the net force. Suppose you and a friend are asked to move a piano for the music teacher. To do this, you pull on one end of the piano, and your friend pushes on the other end. Together, your forces add up to enough force to move the piano. This is because your forces are in the same direction. Because the forces are in the same direction, they can be added together to determine the net force. In this case, the net force is 45 N, which is plenty to move a piano - if it is on wheels, that is!

If two forces are in opposite directions, then the net force is the difference between the two forces, and it is in the direction of the larger force. Consider two dogs playing tug of war with a short piece of rope. Each is exerting a force, but in opposite directions.

Notice below that the dog on the left is pulling with a force of 10 N, and the dog on the right is pulling with a force of 12 N. Which dog do you think will win the tug of war? Because the forces are in opposite directions, the net force is determined by subtracting the smaller force from the larger one. In this case, the net force is 2 N in the direction of the dog on the right. Give that dog a dog biscuit!

Unbalanced Forces in Action

Unbalanced forces can change the motion of an object in two ways. When unbalanced forces act on an object at rest, the object will move. In the two examples mentioned earlier, the net force on the object is greater than zero. Unbalanced forces produced change in motion (acceleration) and the receivers of the forces - the piano and the rope - moved. Unbalanced forces are necessary to cause a nonmoving object to start moving.

Second, when unbalanced forces act on a moving object, the velocity of the object will change. Remember that a change in velocity means a change in speed, direction or both speed and direction. For example, consider a soccer game. The soccer ball is already moving when it is passed from one player to another. When the ball reaches the second player, the player exerts an unbalanced force - a kick - on the ball. After the kick, the ball moves in a new direction and with a new speed.

Examples of Unbalanced Forces

A force can act on an object without causing it to accelerate if other forces cancel the push or pull of the force. Look at this figure:

If you and your friend push on a door with the same force in opposite directions, the door does not move. Because you both exert forces of the same size in opposite directions of the door, the two forces cancel each other.

Two or more forces exerted on an object are balanced if their effects cancel each other, and they do not cause a change in the object's motion. If the forces on an object are balanced, the net force is zero. If the forces are unbalanced forces, the effects don't cancel each other. Any time the forces acting on an object are unbalanced, the net force is not zero, and the motion of the object changes.

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unbalanced force: definition & example - video & lesson transcript | study.com

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Unbalanced Force: Definition & Example - Video & Lesson Transcript | Study.com

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Any push or pull is a force. To describe a force, you must know two things. You must know the size of the force and the direction of the force. Suppose two teams are playing tug of war. Each team is pulling with equal force, but in opposite directions.

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Sam

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Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
-Cali Jackson

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Friction is the resistance of motion when one object rubs against another. Anytime two objects rub against each other, they cause friction. 

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Friction is the resistance of motion when one object rubs against another. Anytime two objects rub against each other, they cause friction. 

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Kya Hegwood

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 Unbalanced- forces are forces that cause a change in the motion of an object.

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 Unbalanced- forces are forces that cause a change in the motion of an object.

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Kya Hegwood

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peyton

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Gravitational force-The gravitational force is a force that attracts any object with mass. Every object, including you, is pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation

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Gravitational force-The gravitational force is a force that attracts any object with mass. Every object, including you, is pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation

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Kya Hegwood

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Trinity
Speed, being a scalar quantity, is the rate at which an object covers distance. Speed dosen't need direction.

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physics -a quantity that has both magnitude and direction. peyton

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a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.

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Skyleigh
An outside push or pull on an object
An applied force is a force that is applied to an object by a person or another object. If a person is pushing a desk across the room, then there is an applied force acting upon the object. The applied force is the forceexerted on the desk by the person.

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Trinity
The tension force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by force acting from opposite ends.

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Velocity-speed or racing in power and pressure/ per seconds (m/s)

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Velocity-speed or racing in power and pressure/ per seconds (m/s)

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Emma Giffin

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Speed in a specific direction.

Jenae

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The basic formula for velocity is v = d / t, where v is velocity, d is displacement and t is the change in time. Velocity measures the speed an object is traveling in a given direction.

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friction-resistance of motion through contact between two surfaces  

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friction-resistance of motion through contact between two surfaces  

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Brenda Garcia

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In physics, net force is the overall force acting on an object. In order to calculate the net force, the body is isolated and interactions with the environment or other constraints are represented as forces and torques in a free-body diagram.
-Cali Jackosn

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eric

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Keaton

Friction is when a force is applied there is something preventing it of moving
https://www.youtube.com/watch?v=YoxbplnG2FQ

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Acceleration-a change in speed/velocity.-increase in the rate or speed of something.-in physics, is the rate of change of velocity of an object with respect to time. An object's acceleration is the net result of any and all forces acting on the object, as described by Newton's Second Law.

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Acceleration-a change in speed/velocity.-increase in the rate or speed of something.-in physics, is the rate of change of velocity of an object with respect to time. An object's acceleration is the net result of any and all forces acting on the object, as described by Newton's Second Law.

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Chey :)

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Speed-A rate of change, distance divided by time

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Speed-A rate of change, distance divided by time

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Natalie

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kat Balance forces are two forces acting in opposite directions on an object, and equal in size. Anytime there is a balanced force on an abject, the object stays still or continues moving continues to move at the same speed and in the same direction.
But what exactly is meant by the phrase unbalanced force? What is an unbalanced force? In pursuit of an answer, we will first consider a physics book at rest on a tabletop. There are two forces acting upon the book. One force - the Earth's gravitational pull - exerts a downward force. The other force - the push of the table on the book (sometimes referred to as a normal force) - pushes upward on the book.Balance forces are two forces acting in opposite directions on an object, and equal in size. Anytime there is a balanced force on an abject, the object stays still or continues moving continues to move at the same speed and in the same direction. It is important to note that an object can be in motion even if there are no forces acting on it.

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What are Balanced Forces?

A force is a push or pull on an object, measured in newtons (N). And if the forces are balanced, it means that in every direction, any pushes and pulls are balanced by another force in the opposite direction. So, for example, you could have an object like this one:

This box has balanced forces because it has two newtons pushing up balanced by two newtons pushing down, and five newtons left balanced by five newtons right. The forces in the x-direction are balanced, and the forces in the y-direction are balanced. If we did this in 3D, the forces in the z-direction would also have to be balanced.

But what do balanced forces mean? What's the difference between the motion of an object with balanced forces and an object with unbalanced forces?

Newton's 1st Law

Newton's 1st Law of Motion tells us what this all means. Newton's 1st Law says that an object in motion stays in motion at a constant velocity, and an object at rest stays at rest unless acted upon by an unbalanced force.

This means that if the forces on an object are balanced, its velocity will stay constant. If it has a velocity of zero, it will stay zero. If it's moving at 10 miles per hour north, it will keep moving at 10 miles per hour north. The only way to change its velocity is to apply an unbalanced force.

The Role of Friction

But hold on a minute. That doesn't seem to fit with everyday life. If you give a shopping cart a good push and let go, it doesn't keep going forever at a constant velocity. After a while it stops, and you're no longer touching it to apply an unbalanced force. So how does this work?

The problem with applying Newton's 1st Law on Earth is that there are a lot of forces people don't think about. If you give the shopping cart a push and let go, there is still an unbalanced force even after it leaves your hand. The ground has friction, and that friction applies a force to the shopping cart to slow it down to a stop. So the shopping cart isn't really an example of balanced forces.

Low Friction Examples

In space, there is less friction and air resistance to worry about. If an astronaut throws a ball in space, it will keep going, pretty much forever! Once the ball has left the astronaut's hand, there are no forces on the ball, so it will keep going at a constant velocity.

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balanced forces: definition & examples - video & lesson transcript | study.com

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Balanced Forces: Definition & Examples - Video & Lesson Transcript | Study.com

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A force is a push or pull on an object, measured in newtons (N). And if the forces are balanced, it means that in every direction, any pushes and pulls are balanced by another force in the opposite direction.

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Balanced- an instrument for determining weight, typically by the equilibrium of a bar with a fulcrum at the center, from each end of which is suspended a scale or pan, one holding an object of known weight, and the other holding the object to be weighed.

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Balanced- an instrument for determining weight, typically by the equilibrium of a bar with a fulcrum at the center, from each end of which is suspended a scale or pan, one holding an object of known weight, and the other holding the object to be weighed.

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Kya Hegwood

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Net force- The total of all forces acting on an object

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Net force- The total of all forces acting on an object

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Emma J

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net force is the sum of all forces acting on an object. As we have said before, a net force is the sum of all forces acting on an object. Look at the picture of the red plane. In this example, the difference between drag and thrust is 15 Newtons , to the left.

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An example of pull as a force would be opening a door. If you pull on it lightly, the door won’t open, but if you pull with greater strength, the door opens enough. If you pull the door too hard it will slam into the wall.

Tony

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osman

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Name