Work, Power, and Energy Lesson

Work, Power, and Energy Lesson

Multiple Choice

Which is the correct equation for Work?

• W = F x D

• W = F/D

• W = F + D

• W = D - F

Multiple Choice

Which is the correct equation for Work?

• W = F x D

• W = F/D

• W = F + D

• W = D - F

Multiple Choice

The SI Unit for Power is 

• Joules
• Newton
• Watt 
• Newton Meter 

Multiple Choice

The correct unit for Work is 

• Newton
• Meter
• Joules 
• Watt 

Multiple Choice

Power = work/time. How much power is extended when 600 J of work are done in 10 s?

• 60 W

• 60 J

• 6000 W

• 6000 J

Multiple Choice

If 68 W of power is produced in 18 seconds, how much work is done?

• 1,224 J
• 0.264 J
• 3.77 J
• 12.24 J

Multiple Choice

A microwave oven does 28,000 joules of work in 20 seconds. Then the power of the microwave is

• 1400 Watt
• 560,000 Watt 
• 1400 Joules
• 560,000 Joules 

Multiple Choice

How much work can be done in 30 seconds by a 1000-watt microwave oven?

• 30,000 Watts 
• 33.3 Joules
• 30,000 Joules
• I do not know. 

Multiple Choice

If 250 Joules of work is needed to move a box 10 meters, what force was used?

• 25 Joules
• 25 Newton
• 2,500 Joules
• 2,500 Newton

Multiple Choice

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

Multiple Choice

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Multiple Choice

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Multiple Choice

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

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

Multiple Choice

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Multiple Choice

Energy is the ability to do _____________ or cause change.

• work
• rest
• experiments
• science

Multiple Choice

Which is an example of potential energy?

• a roller coaster speeding down a hill

• the pulled back string on an archers's bow

• releasing the strings on a guitar

• an electric current lighting a light bulb

Multiple Choice

Which is an example of potential energy?

• a roller coaster speeding down a hill

• the pulled back string on an archers's bow

• releasing the strings on a guitar

• an electric current lighting a light bulb

Multiple Choice

Which is an example of electrical energy?

Multiple Choice

What form of energy is stored in a battery?

• Chemical energy

• Light energy

• Mechanical energy

• Heat energy

Multiple Choice

What form of energy does a remote control use?

• Thermal energy

• Light energy

• Mechanical energy

• Electromagnetic energy

Multiple Choice

We get __________________ energy from the radio.

• light

• sound

• chemical

• mechanical

Multiple Select

which of the following is not an example of mechanical energy?

Multiple Choice

What form of energy is at work here?

• Heat energy

• Chemical energy

• Mechanical energy

• Light energy

Multiple Choice

Another word for "thermal energy" is ________________

• Solar energy

• Light energy

• Heat energy

• Electrical energy

Multiple Choice

Another word for "thermal energy" is ________________

• Solar energy

• Light energy

• Heat energy

• Electrical energy