Work and Energy Vocabulary and Concepts Review

 Work done = Force x _________

• a. distance
• b. acceleration
• c. velocity
• d. speed

What is the unit used to measure work?

• Joule
• Watt
• Newton
• Pascal

Niagara Falls is a good example of

• Kinetic energy being transformed into potential energy
• Potential energy being transformed into kinetic energy
• Energy being created
• Energy being destroyed

Which has the most kinetic energy?

• a basketball rolling down a hill
• a bus stopped at the top of a hill
• a dump truck driving down a hill
• a golf ball sitting at the top of the hill

A stretched rubber band has ___________.

• Kinetic Energy
• Gravitational Potential Energy
• Elastic Potential Energy
• Chemical Potential Energy

Two equal mass marbles are at the top of a ramp. One marble falls to the ground off the back while the other rolls down the ramp. What is true about the marbles when they reach the ground?

• The marble that rolled down the ramp is moving faster than the marble that fell.

• The marble that fell down the back of the ramp is moving faster than the marble that rolled.

• The marble that rolled down the ramp is not moving when it reaches the ground.

• The two marbles are moving with the same speed.

Kinetic energy is associated with ---.

• speed

• position

• direction

• temperature

If there is no friction on this track, at which point would the coaster have the most kinetic energy?

• A

• B

• C

• D

Where is the roller coaster gaining potential energy?

• A to B

• B to C

• C to D

• The roller coaster is always losing potential energy

How do you calculate power?

• P = W/t
• P = E/t
• P = w * t
• P = bbq/chicken