# data[].attributes.body
increase time, the impact force is decreased due to an increase in displacement

# data[].attributes.body
to increase vf we need to apply a greater force for a longer time

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Concentric- positive
Eccentric- Negative
Isometric- No work

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energy due to the deformation of an object (more bend=more strain energy

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energy due to position (relative to the ground/earth)

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energy due to motion

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the capacity to do work

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the product of (average) force and the amount of displacement along the line of that force

# data[].attributes.headline
Forces can be equal but opposite, but not the effects of the forces

# data[].attributes.subject
Forces can be equal but opposite, but not the effects of the forces

# data[].attributes.body
to every action there is an equal and opposed reaction, or mutual actions of two bodies upon each other are always equal and directed to contrary parts

# data[].attributes.body
the change in motion of an object is proportional to the force used and is made in the direction of the straight line of that force

# data[].attributes.body
tells you how fast two objects are moving away from each other

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objects in collision stay together and move with the same velocity (linear momentum is still conserved)

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when 2 objects collide head on, all of their linear momentum is conserved/maintained

# data[].attributes.body
the product of an object mass and its linear velocity

# data[].attributes.body
every object continues in a state of rest or in uniform motion in a straight line, unless acted on by an external force

# data[].attributes.headline
The horizontal velocity of a projectile is constant, acceleration=0, and in a straight line

# data[].attributes.subject
The horizontal velocity of a projectile is constant, acceleration=0, and in a straight line

# data[].attributes.headline
When [a] is constant ([g]) the net external force on an object is constant and equal to [w]

# data[].attributes.subject
When [a] is constant ([g]) the net external force on an object is constant and equal to [w]

# data[].attributes.body
an object that moves through the air

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-change in velocity
-speed or direction in which an object moves changes

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speed with direction and magnitude

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speed at a specific point in time

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rate of motion
rate of distance travelled

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straight line distance in a specific direction from a starting point to an ending point

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a location in space

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Angular motion and linear motion going on together at the same time

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-when points on an object follow a circular motion (on an axis)

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the paths followed by the points on an object are curved, but they all travel the same distance and the orientation does not change

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all points move in a straight line, same distance, and direction (of all points)

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occurs when you move in the same direction, distance, and time

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a movement that causes a change in position

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Occurs when an object is not moving/ at rest

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forces that are not on the same line of direction

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Forces that occur on the same line of direction
- opposite direction is negative

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-net force/resultant force is the sum of all the external forces acting on an object

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Dynamic Friction is always less than Static Friction 

# data[].attributes.subject
Dynamic Friction is always less than Static Friction 

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-a contact force that acts between and parallel to two surfaces in contact
-proportional to the normal contact force pushing two surfaces together
-greater friction occurs between softer and rougher surfaces than between harder and smoother surface

# data[].attributes.headline
An object will continue at uniform velocity even if the F(net) is 0

# data[].attributes.subject
An object will continue at uniform velocity even if the F(net) is 0

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-occurs between two bodies
EX. Friction (static/dynamic)

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-occurs when nothing touches
EX. Gravity (g)

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when a force acts on an object, causing something to occur in an environment

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-Tensile
-Compressive

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(measured in Newtons (N)/ Pounds (lbs)
-point of application
-line of direction
-sense
-magnitude

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-a measure of how much a mass changes speed/direction
-push/pull, when you apply an action to an object (coupled with a reaction)

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l (length)- the space in which movement occurs
t(time)-
m(mass)- a measure of inertia
I (inertia)-the property of an object to resist change in its motion
w(weight)- measure of the force of g acting on an object

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-Equipment Improvement
-Training Improvement
-Performance Improvement
-Injury Prevent
-Injury Rehabilitation

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the study of the movement of living things
-the study of the structure/function of biological systems by the means of mechanics

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describing forces that cause motion

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describing motion

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objects accelerating, changing motion

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Objects at rest or at a constant velocity

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no deformation in the body studied