WorksheetsWork, Energy, and Power Quiz
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
When is work done on an object?
a)
when a force is applied to an object and the object remains stationary
b)
when a force is applied to an object and the object moves in the same direction as the force
c)
when the frictional force on an object is greater than a force applied to the object
d)
when two forces of equal magnitude are applied to the object in opposite directions
2.
Peter does 3,000 joules (J) of work by moving an object 40 meters (m). What is the force that Peter applies to the object?
a)
75 N
b)
2,960 N
c)
3,040 N
d)
120,000 N
3.
A robotic arm lifts a stack of cafeteria trays weighing 62 newtons (N). It moves the trays 2 meters (m). How much work has the robotic arm performed?
a)
31 J
b)
64 J
c)
124 J
d)
186 J
4.
Jake’s toy truck has a mass of 3 kilograms (kg). Jake pushes the truck with a force of 10 newtons (N). How much work has Jake done on the truck when he pushes it for 2 meters?
a)
5 J
b)
20 J
c)
30 J
d)
60 J
5.
A force of 12 N is used to lift a box 0.5 meters above a floor. What amount of work was done to lift the box?
a)
6.0 J
b)
11.5 J
c)
12.5 J
d)
24.0 J
6.
Susan and Joe push a table 18 meters down a hall by exerting a force of 200 newtons (N). What is the total amount of work done on the table?
a)
1600 J
b)
1800 J
c)
2000 J
d)
3600 J
7.
What is Thermal Energy ?
a)
Hot air coming down from the upstairs
b)
All the kinetic energy from the movement of the particles in an object
c)
The thermostat making it cooler or hotter in your house
d)
none of the above
8.
It takes 6.0 seconds for a pulley system to lift a crate weighing 300. N to a height of 5.0 meters. How much power is required to lift the crate?
a)
360 W
b)
250 W
c)
10 W
d)
0.1 W
9.
What are the units of measurements of power?
a)
Horsepower
b)
J (Joules)
c)
W (Watts)
d)
N (Newtons)
10.
What are the units of measurement of work?
a)
meters
b)
kg
c)
N (Newtons)
d)
J (Joules)
11.
What is an example of Kinetic energy?
a)
Laying down in bed
b)
A football being thrown downfield
c)
Setting a book on the counter
d)
Sitting in your desk
12.
A 0.7 kg coconut falls from a tree. If the gravitational potential energy of the coconut is 18 J, what height is at (in meters)?
a)
3.5 m
b)
4 km
c)
2.62 m
d)
1.4 m
13.
"An object in motion will stay in motion" is which of Newton's laws?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newtons third law of motion
d)
None of these
14.
What is the PE (Potential Energy) of a 250 kg boulder at the edge of the mountain that is 60 m high?
a)
100 J
b)
147 KJ
c)
150,000 J
d)
500 KJ
15.
The second of Newton's Laws says......
a)
an object in motion will stay in motion
b)
the force on an object is equal to its mass times its acceleration
c)
When objects interact, they apply forces to each other of equal magnitude and opposite direction
d)
None of the above
16.
What is an example of Potential energy?
a)
A diver standing on top of the diving board
b)
Car merging onto the highway
c)
Rollercoaster going down the hill
d)
Baseball getting thrown to the home plate
17.
T/F : Newton's 3rd law of motion says that when objects interact, they apply forces to each other of equal magnitude and opposite direction.
a)
True
b)
False
100 %
