# Energy, Work, Machines Question Preview (ID: 15385)

### Final Exam Review Part D.[print questions] Answers? Play games to get them!

Potential Energy is:
a) energy of motion.
b) stored energy.
c) energy that is spontaneously created.
d) energy that has been destroyed.

A person sweeping a floor would be an example of a:
a) 1st class lever
b) 2nd class lever
c) 3rd class lever
d)

Both work and energy can be measured in:
a) newtons
b) watts
c) horsepower
d) joules

On a roller coaster, the bottom of a steep hill would feature a high level of:
a) potential energy
b) kinetic energy
c)
d)

Which of the following simple machines make up a pair of scissors?
a) pulley
b) lever
c) wedge
d) both lever and wedge

A crane does 4000 J of work in 5 seconds. What is the power of the crane?
a) 20000 watts
b) 40000 watts
c) 800 watts
d) 1600 watts

What is the kinetic energy of a 23 kg cart going 9 m/s?
a) 932 J
b) 207 J
c) 2.6 J
d) 186.3 J

A light bulb is considered to be doing work because it is converting electrical energy into light and thermal energy.
a) True
b) False
c)
d)

A 59,000 kg on the edge of a 200 m high cliff would have a potential energy of:
a) 11,800,000 J
b) 295 J
c) 118,000,000 J
d)

12 HP is equivalent to:
a) 62.2 watts
b) 8952 watts
c) .016 watts
d) 150 watts

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 15385 in the upper right hand corner or click here.

TEACHERS / EDUCATORS