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WorksheetsWork and Power Review
Total questions: 14
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
2.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
3.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
4.
The unit used to measure power is the
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
5.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a wall
d)
holding a box
6.
A 50N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
7.
Work done = Force x _________
a)
distance
b)
acceleration
c)
velocity
d)
speed
8.
Force is a _____ or _______
a)
simple complex
b)
push pull
c)
up down
d)
in out
9.
What is the unit for force?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
10.
What is the unit for force?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
11.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
12.
____________ is work divided by time.
a)
Work
b)
Distance
c)
Power
d)
Force
13.
What is work?
a)
A push or pull.
b)
When the object moves in the same direction in which the force is exerted.
c)
A change in energy.
d)
The rate at which energy is transferred.
14.
What is the definition of power?
a)
the amount of work an object does
b)
the rate at which force is applied
c)
the amount of matter in an object
d)
the rate at which work is done
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