Energy

The sum of kinetic energy and potential energy within a system is called

• A. thermal energy

• B. chemical energy

• C. electrical energy

• D. mechanical energy

Potential energy is

• A. stored energy

• B. moving energy

• C. the difference between stored and moving energy

• D. the sum of all energy in the system

Kinetic energy is

• A. stored energy

• B. moving energy

• C. the difference between stored and moving energy

• D. the sum of all energy in the system

Which of the following is NOT a type of potential energy?

• A. elastic

• B. gravitational

• C. sound

• D. chemical

Where would a roller coaster have the greatest potential energy?

• A. at the top of a hill

• B. halfway up the hill

• C. halfway down the hill

• D. at the bottom of the hill

Two trucks have the same velocity but different masses. Truck #1 has a mass of 200 kg and Truck #2

has a mass of 500 kg. Truck #1 has the most kinetic energy.

• TRUE

• FALSE

Kinetic energy for a gold club will be the highest at the bottom of a golfer's swing path.

• TRUE

• FALSE

The potential energy pf a derby car will be highest at the top of the hill.

• TRUE

• FALSE

What energy transformation occur in this system?

A toaster heating up waffles for breakfast.

• sound >> chemical >> thermal

• electrical >> sound >> nuclear

• electrical >> mechanical >> radiant

• convection >> heat >> sound

What energy transformation occur in this system?

A student plays piano in music class.

• conduction >> sound

• mechanical >> sound

• mechanical >> thermal >> sound

• conduction >> mechanical >> electrical >> sound