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the action or process of moving or of changing place or position; movement.

When something moves

http://www.dictionary.com/

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A force can cause an object with mass to change its velocity which includes to begin moving from a state of rest
Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.

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physics, mass is a property of a physical body. It is the measure of an object's resistance to acceleration when a net force is applied. It also determines the strength of its mutual gravitational attraction to other bodies.

two things that weigh different.

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Gravity the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.

Basically air that holds things up or makes it float.
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Inertia is a word we use when we talk about matter and movement. Basically, our idea of inertia goes back to Sir Issac Newton's first two laws of physics

An object at rest tends to stay at rest.

http://www.qrg.northwestern.edu

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The average velocity of an object does not tell us anything about what happens to it between the starting point and ending point

For instance, in the figure below, we see that the total trip displacement,

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Newton's first law of motion states that there must be a cause—which is a net external force—for there to be any change in velocity, either a change in magnitude or direction.

An object sliding across a table or floor slows down due to the net force of friction acting on the object.

www.physicsclassroom.com

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The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net

Itś the same direction as the net force, and inversely proportional to the mass of the object.

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For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects.

The size of the forces on the first object equals the size of the force on the second object.

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The force between two surfaces that prevents those surfaces from sliding or slipping across each other. This is the same force that allows you to accelerate forward when you run.

Its technically the force when you run.

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Acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and a direction, there are only two ways for you to accelerate.

Its your change your speed or change your direction or change both.

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