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WorksheetsMr. Smith's Work, Power, and Mechanical Advantage
Total questions: 32
Worksheet time: 6mins
Name
Class
Date
1.
Name the simple machine.
a)
Wheel and Axle
b)
Lever
c)
Inclined plane
d)
Pulley
2.
Name the simple machine.
a)
Wedge
b)
Levet
c)
Inclined Plane
d)
Screw
3.
Name the simple machine.
a)
Wheel and Axle
b)
Screw
c)
Pulley
d)
Inclined plane
4.
Name the simple machine.
a)
Wheel and Axle
b)
Pulley and Lever
c)
Inclined Plane and Screw
d)
Screw and Pulley
5.
Name the simple machine.
a)
Wedge and Axle
b)
Lever and Inclined plane
c)
Inclined plane and Screw
d)
Screw and Pulley
6.
Name the simple machine.
a)
Wedge
b)
Lever
c)
Inclined plane
d)
Screw
7.
Name the simple machines.
a)
Screw & Inclined plane
b)
Lever & Inclined plane
c)
Wedge & Screw
d)
Lever & Wedge
8.
Name the simple machine.
a)
Wedge
b)
Screw
c)
Lever
d)
Inclined plane
9.
Name the class of lever.
a)
Class 1
b)
Class 2
c)
Class 3
d)
Class 809
10.
Name the class of lever.
a)
Class 1
b)
Class 2
c)
Class 3
d)
Class president
11.
Name the class of lever.
a)
Class 1
b)
Class 2
c)
Class 3
d)
ClaSs CloWN
12.
What is the unit for mass?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
13.
What is the unit for force?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
14.
What is the unit for work (or energy)?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
15.
What is the unit for power?
a)
Watt (W)
b)
Kilogram (Kg)
c)
Newton (N)
d)
Joule (J)
16.
What's the equation for force?
a)
F = MA / IMA
b)
F = Fd
c)
F = W/t
d)
F = ma
17.
What is the equation for work?
a)
W = ma
b)
W = W/t
c)
W = Fd
d)
W = MA / IMA
18.
What is the equation for power?
a)
P = ma
b)
P = W/t
c)
P = Fd
d)
P = Ma / IMA
19.
What is the equation for mechanical advantage (using forces)?
a)
MA = 2F
b)
MA = RA/EA
c)
MA = Fr x Fe
d)
MA = Fr / Fe
20.
Which of these are in the inclined plane family?
a)
wheel/ axle and wedge
b)
wedge and screw
c)
lever and pulley
d)
screw and pulley
21.
What is the mechanical advantage for this lever?
a)
1
b)
2
c)
1/2
d)
8
22.
What is the work out if the box is lifted 2 m? (W = Fd)
a)
25 J
b)
50 J
c)
75 J
d)
100 J
23.
If it takes 4 s to lift the box 2 m, what is the power exerted? (P = W/t)
a)
25 w
b)
50 w
c)
75 w
d)
100 w
24.
What is the ideal mechanical advantage for the inclined plane?
a)
5
b)
1/5
c)
45
d)
17
25.
How much input force is required to lift the box?
a)
25 N
b)
100 N
c)
100 J
d)
25 J
26.
How much work is done if the box is lifted 2 meters? (W=Fd)
a)
50 J
b)
100 J
c)
150 J
d)
200 J
27.
Which of these are in the lever family?
a)
inclined plane and wedge
b)
wedge and screw
c)
wheel & axle and pulley
d)
screw and pulley
28.
What class of lever is depicted here?
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
NO CLASS
29.
What is the input force?
a)
50 N
b)
4 m
c)
12 m
d)
150 N
30.
What is the output force?
a)
12 m
b)
50 N
c)
150 N
d)
4 m
31.
What is the work done on the box lifted 3 m?
a)
16.7 J
b)
50 J
c)
150 J
d)
450 J
32.
What is the mechanical advantage for the force? (hint: your gaining distance with this machine)
a)
1/3
b)
1
c)
3
d)
6
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