General Physics 2 : Work Hard, Play Hard

Multiple Choice

When a roller coaster is at the top of a hill it has

• high potential energy

• high kinetic energy

• low potential energy

• equal amounts of kinetic and potential energy

Multiple Choice

How can we increase the gravitational potential energy of the car?

• Strap a boulder to the car so that it weighs more.

• Keep the length of the hill at 50 m but only 5 m tall.

• Take the interior out of the car so that the car has less mass.

• Keep the hill at 10 m tall but increase the length of the hill so that the car has farther to roll.

Multiple Choice

Which type of potential energy causes the arrow to shoot from the bow?

• kinetic
• elastic
• chemical
• gravitational

Multiple Choice

The diagram shows the same spring being stretched at different lengths using different masses. At which length does the spring have the MOST potential energy?

• length A

• length B

• length C

• length D

Multiple Choice

At which position does the child on the swing have the most gravitational potential energy?

• W

• X

• Y

• Z

Multiple Choice

What is happening to the potential energy between position 1 to 3?

• Decreasing

• Increasing

• Stays the same

Multiple Choice

What are the two factors that affect kinetic energy?

• time and energy

• power and mass

• mass and speed

• time and work

Multiple Choice

Which of the following is a fossil fuel?

• Petroleum

• Wood

• Cow dung

• Dry leaves

Multiple Choice

What do fuels combine with to produce heat and light?

• Carbon dioxide

• Carbon monoxide

• Hydrogen

• Oxygen