Term
An object at rest remains at rest unless it is acted on by an: |
|
Definition
|
|
Term
|
Definition
this is an unbalanced force that acts on the motion of all objects here on earth. |
|
|
Term
|
Definition
the tendency of all objects to resist any change in motion– still objects want to stay still; moving objects want to continue moving. |
|
|
Term
The acceleration of an object depends on: |
|
Definition
the mass of the object and the amount of force applied |
|
|
Term
Whenever one object exerts a force on a second object: |
|
Definition
the second object exerts an equal and opposite force on the first object |
|
|
Term
|
Definition
pairs (action and reaction force pairs); a force never acts by itself. |
|
|
Term
|
Definition
is a property of a moving object. |
|
|
Term
The more momentum an object has: |
|
Definition
the harder it is to change its speed or direction. |
|
|
Term
The momentum before a collision is: |
|
Definition
equal to the momentum after the collision |
|
|
Term
When a moving object hits another object: |
|
Definition
some or all of the momentum of the first object is transferred to the other object |
|
|
Term
|
Definition
|
|