PE/KE final review 2020

At which point is potential energy greatest?

• W

• X

• Y

• Z

At which point is kinetic energy greatest? 

• W

• X

• Y

• Z

The faster an object moves, the ________ kinetic energy it has. 

• more

• less

• none of the above

• same

What kind of energy is in a rock at the edge of a cliff?

• Potential

• Kinetic

• Both potential and kinetic energy

• none of the above

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

• Height and mass

• Friction and movement

• Mass and Movement

• Height and Friction 

As mass increases, KE ...

• increases

• decreases

• stays the same

• can't be computed

When is potential energy transformed into kinetic energy?

• When an object at rest is lifted to a higher elevation

• When an object at rest remains at rest

• When an object at rest is put into motion 

• When an object in motion is stopped and put at rest 

What does friction do to a skateboarder going up a ramp?

• speeds them up

• no impact

• slows them down

Which of the following is an example of kinetic energy being converted to potential energy?

• At an ice rink, an ice skater gives another ice skater a gentle push.

• A bike rider stops pedaling and lets his bicycle coast up a hill.

• The cord of a bow-and-arrow is released, propelling the arrow forward.

• On a factory assembly line, boxes slide down a ramp.

What type of energy is greatest when the cannonball is at point C?

• kinetic energy

• potential energy

• elastic energy

• awesome sauce