WorksheetsIPC Unit 9 Review
Total questions: 46
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
A simple machine that consist of a grooved rope and chain that changes direction of effort force
a)
Pulley
b)
Screw
c)
Wedge
d)
Wheel and Axle
2.
Transfer of energy that occurs when a force makes an object move.
a)
Power
b)
Work
c)
Kinetic Energy
d)
Potential Energy
3.
One sided sloping surface like a ramp
a)
Wedge
b)
Pulley
c)
Inclined Plane
d)
Wheel and Axle
4.
A steering wheel or door knob
a)
Pulley
b)
Inclined Plane
c)
Wedge
d)
Wheel and Axle
5.
2 sided sloping plane like a knife or axe
a)
Pulley
b)
Screw
c)
Wheel and axle
d)
Wedge
6.
Machine that only does work with one movement
a)
Joule
b)
Lever
c)
Compound Machine
d)
Simple Machine
7.
Energy stored because of gravity
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Advantage
d)
Simple Machine
8.
Simple machine made from a bar moving around a fulcrum
a)
Lever
b)
Inclined Plane
c)
Pulley
d)
Screw
9.
Combination of 2 or more simple machines
a)
Mechanical Advantage
b)
Simple Machine
c)
Compound Machine
d)
Lever
10.
Amount of work being done in a certain time
a)
Power
b)
Kinetic Energy
c)
Potenital Energy
d)
Law of Conservation of Energy
11.
The number of times a machine multiplies the force
a)
Potential Energy
b)
Kinetic Energy
c)
Mechanical Advantage
d)
Work
12.
1/2 X mass X velocity2& energy in motion
a)
Potential Energy
b)
Kinetic Energy
c)
Law of Conservation of Energy
d)
Joule
13.
SI unit for work
a)
Joules
b)
Watt
c)
meters/second
d)
meters
14.
States that energy can not be created or destroyed
a)
Law of Conservation of energy
b)
Kinetic Energy
c)
Mechanical Advantage
d)
Potential Energy
15.
Inclined plane wrapped around a cylinder
a)
Lever
b)
Pulley
c)
Screw
d)
Wedge
16.
A see saw is an example of
a)
1st class lever
b)
wheel & axle
c)
wedge
d)
3rd class lever
17.
A door knob is an example of
a)
2nd class lever
b)
wheel and axle
c)
wedge
d)
incline plane
18.
A broom is an example of
a)
2nd class lever
b)
incline plane
c)
3rd class lever
d)
wedge
19.
A slide at the park is an example of
a)
inclined plane
b)
wedge
c)
3rd class lever
d)
wheel and axle
20.
A bottle cap opener is an example of
a)
3rd class lever
b)
2nd class lever
c)
1st class lever
d)
incline plane
21.
A baseball bat is an example of
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
d)
wedge
22.
A knife is an example of
a)
wheel and axle
b)
incline plane
c)
pulley
d)
wedge
23.
How much work is done when an 8 N force moves a block 7 m?
a)
56 J
b)
120 J
c)
35 J
d)
45 J
24.
Eva applies 40 N force to move her bookcase 3 m, how much work did Eva do?
a)
56 J
b)
120 J
c)
490 J
d)
45 J
25.
How far will 350 J raise a block weighing 7 N?
a)
50 m
b)
5.1 m
c)
60 m
d)
6.8 m
26.
How far will 350 J raise a 7 kg mass?
a)
5.6 m
b)
5.1 m
c)
50 m
d)
6.1 m
27.
How much power does it take to lift 30 N 10 m high in 5 seconds?
a)
300 W
b)
60 W
c)
588 W
d)
45 W
28.
How much power does it take to lift 30 kg 10 m high in 5 seconds?
a)
300 W
b)
60 W
c)
588 W
d)
45 W
29.
How much work is pushing with 115 N over 15 m?
a)
56 J
b)
294 J
c)
2940 J
d)
1725 J
30.
How much work is lifting 20 N 10 m high?
a)
1725 J
b)
196 J
c)
490 J
d)
1960 J
31.
What is the GPE of a 5 kg ball that is 10 m above the floor?
a)
490 J
b)
45 J
c)
9800 J
d)
56 J
32.
What is the KE of a 10 kg mass at 3 m/s?
a)
490 J
b)
56 J
c)
9800 J
d)
45 J
33.
What is the GPE of a 20 kg rock that is 50 m above the earth?
a)
56 J
b)
490 J
c)
45 J
d)
9800 J
34.
A 60 kilogram athlete runs up 3 meter flight of stairs. What work has she done?
a)
588 N
b)
1764 J
c)
100 W
d)
6000 J
35.
If a person does 6000 J of work in one minute, what power has he done?
a)
1764 J
b)
100 W
c)
1725 J
d)
5,000 W
36.
How far will 350 J raise a 7 kg mass?
a)
17.64 J
b)
10 W
c)
5.1 m
d)
10 m
37.
How much power does it take to lift 250 N 40m high in 2 seconds?
a)
5000 W
b)
5.1 m
c)
100 W
d)
1764 J
38.
Which is more work, pushing with 115 N over 15 m or lifting 20 kg 10 m?
a)
115 N over 15 m
b)
20 kg 10 m
39.
What is the GPE of a 10 kg ball that is 5 m above the floor?
a)
490 J
b)
312.5 J
c)
245 J
d)
1960 J
40.
What is the KE of a 25 kg mass at 5 m/s?
a)
490 J
b)
312.5 J
c)
245 J
d)
1960 J
41.
Which has more GPE, 10 kg book at 5 meters or 1 kg paperweight at 25 m high?
a)
10 kg book at 5 meters
b)
1 kg paperweight at 25 m
42.
Which has more GPE, a 10 kg ball at 20 m or a 3kg rock at 100 m high?
a)
10 kg ball at 20 m
b)
3 kg rock at 100 m
43.
What is the KE of a 2 kg mass at 9 m/s?
a)
490 J
b)
312.5 J
c)
490 J
d)
81 J
44.
What class lever is the image?
a)
1st
b)
2nd
c)
3rd
45.
What class lever is the image?
a)
1st
b)
2nd
c)
3rd
46.
What class lever is the image?
a)
1st
b)
2nd
c)
3rd
100 %
