PhysicsUnit Flashcards
0
Q
What is a frame of reference?
A
Objects that are not moving In relation to another (when something is moving slooooow when you are moving slooooow)
1
Q
How do you describe motion
A
State the direction the object is moving and how fast the object is moving
2
Q
How fast something moves
A
Speed
3
Q
What is speed measured in?
A
Mill/hr,km/he
4
Q
What is distance divided by time?
A
Speed calculated
5
Q
What is Speed with a direction that it is traveling
A
Velocity
6
Q
What can be the result of the change of velocity.
A
Change of speed,change of direction,or both.
7
Q
What is a product of objects mass +velocity (speed)?
A
Momentum
8
Q
Is an object with a large momentum easy to stop?
A
No, it is hard to stop an object with a large momentum.
9
Q
What is the momentum for an object at rest?
A
Zero
