WorksheetsWork and PE
Total questions: 10
Worksheet time: 27mins
Name
Class
Date
1.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
2.
Can energy be destroyed
a)
no
b)
yes
3.
An 800 kg roller coaster cart is sitting on top of a 720 meter hill. What is the cart's potential energy in relation to the ground?
a)
10.9 J
b)
1,174,311 J
c)
575,412 J
d)
5,650,560 J
4.
An object's potential energy increases as its height ________________.
a)
Increases
b)
Decreases
5.
Two cats are sitting on a 30 m hill. One cat has a mass of 4 kg and the other 6 kg. Which cat has greater potential energy?
a)
the 4 kg cat
b)
the 6 kg cat
6.
Energy is the ability to do work.
a)
True
b)
False
7.
The unit used for potential energy is the ____________.
a)
Watt
b)
Joule
c)
Meter
d)
Newton
8.
A roller coaster has a mass of 250 kg, and is 50 meters above the ground, what is the potential energy?
a)
122,625 Joules
b)
5,600 Joules
c)
234,799 Joules
9.
A bird sits on top of a 639 m tall tower. If its gravitational potential energy up there is 2033 J, what is its mass?
a)
3.18 kg
b)
31.8 kg
c)
0.32 kg
d)
13.13 kg
10.
If it takes you 1500 J of work to lift a box 1.5 meters above the ground and put it on a shelf, then how much potential energy does it have up there?
a)
More than 1500 J
b)
Less than 1500 J
c)
1500 J
d)
Impossible to tell without the mass
100 %
