Final Review

Which of the following is is the rate of energy being transferred over a period of time?

• Power

• Energy

• Seconds

• Joules

The energy of motion is ____________ energy. 

• Potential 
• Positional
• Kinetic
• Velocity

Elastic potential energy is the ability to stretch or _________

• pull
• straighten
• compress
• stretch

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

__________ energy is the energy due to an object's position or condition

• Potential
• Kinetic
• None of the above 
• All of the above 

A scalar is a magnitude _____.

• With direction.
• Without direction.

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car
• bike
• they are equal
• cannot determine using the info provided

The change in an object’s momentum is equal to

• m / t

• F / t

• F x t

• m x t

What is a measure of the change of velocity of a moving object?

• speed
• acceleration
• motion 
• velocity