Work Energy Theorem Quiz

How is your day so far?

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How much work is done by a 15 N pulling a sled 3.0 m?  

• 18 N

• 45N

• 45J

• 18.5 J

If the speed of an automobile is doubled, which of the following

is quadrupled?

• Kinetic Energy

• Momentum

• Friction

• Power

A ball is thrown into the air with 100 J of kinetic energy, which

is transformed to gravitational potential energy at the top of its

trajectory. When it returns to its original level after encountering air

resistance and friction, its kinetic energy is

• Exactly 100 J

• Less than 100J

• More than 100J

• Not enough informtion

Jack and Jill are running up a hill. Jack has a mass that is two

times greater than Jill but Jill is faster and is four times farther up

the hill. Who has greater gravitational potential energy? 

• Jack

• Jill

• Both have the same gravitational potential Energy

• Both do not have gravitational PE

Which is not a form of energy?   

• Sound

• Chemical

• Heat

• Mass

Potential energy decreases

• when the onject is thrown upward in the air

• When the object is resting on a hill top

• when the object is falling down towards the earth

• when an object is painted with neon color