Vocabulary
force between an object and the surface its moving over
friction
Forces exerted during a collision will be _______ in direction.
Opposite
what is required to change the velocity of an object
force
what is mass
the amount of matter that makes up an object
Forces exerted on BOTH objects during a collisions will always be exactly _______ in strength to each other.
equal
more force=________ change in velocity
greater
An event or process that leads to a result or change
Cause
A soccer ball slows down after being kicked across grass. What best explains why?
Grass exerts a friction force opposite the motion
what happens when to objects collide
same strength force in opposite directions
to apply force
Exert
Both ball A and ball B have the same force exerted on them. Ball A changes velocity more than Ball B. Which ball has more mass?
Ball B
how an object changes velocity depends on....
the direction of the force applied
define force
a push or pull that can change the motion of an object
A 2 kg cart and a 5 kg cart are pushed with the same force for the same amount of time. which cart will speed up more?
the 2 kg cart
different mass, same force strength
what is the relationship between the mass and the change in velocity?
less mass greater change in velocity
more mass less change in velocity.