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Worksheetssimple machine
Total questions: 23
Worksheet time: 17mins
Name
Class
Date
1.
An object is pulled 8 m on a horizontal surface by applying a force of 30 N. Calculate the work done on the object.
a)
150 J
b)
180J
c)
200J
d)
240J
2.
The unit of the work is
a)
Newton
b)
Kilogram
c)
Joule
d)
Volt
3.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
4.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
5.
The device used to raise a flag up a flag pole is an example of a
a)
wheel and axle
b)
lever
c)
inclined plane
d)
pulley
6.
A seesaw is an example of a
a)
wedge
b)
lever
c)
inclined plane
d)
pulley
7.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum
8.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
9.
The fixed point on the lever is called
a)
load
b)
resistance
c)
bar
d)
fulcrum
10.
Name this simple machine.
a)
Pulley
b)
Wheel and Axle
c)
Inclined Plane
d)
Lever
11.
____ is done when a force is applied over a distance.
a)
energy
b)
work
c)
force
12.
Which of these is an example of a wedge?
a)
Knife
b)
Stairs
c)
Skateboard
d)
Broom
13.
The table shows the force applied and displacement when different boxes are being pushed. Which box shows the most work being done?
a)
W
b)
X
c)
Y
d)
Z
14.
A ramp is an example of a(n)
a)
inclined plane
b)
fulcrum
c)
force
d)
lever
15.
A lever turns back and forth on a
a)
effort
b)
load
c)
work
d)
fulcrum
16.
Which of the following is true for the picture?
a)
elephant is the fulcrum, mouse is the effort, triangle is the load
b)
mouse is the fulcrum, triangle is the effort, elephant is the load
c)
triangle is the fulcrum, mouse is the effort, elephant is the load
17.
What kind of lever has a fulcrum, resistance arm, and effort arm?
a)
1st Class Lever
b)
2nd Class Lever
c)
3rd Class Lever
d)
All of the above
18.
What is the mechanical advantage of a simple machine if a force of 15 newtons lifts an object weighing 60 newtons?
a)
2
b)
45
c)
.25
d)
4
19.
If 200 joules of work was done to move an object with a force of 50 newtons, how far was the object moved?
a)
2 meters
b)
45 meters
c)
4 meters
d)
150 meters
20.
What simple machine is in this image
a)
Wedge
b)
Lever
c)
screw
d)
wheel and axel
e)
Incline plane
21.
Energy due to motion is called
(a)
22.
Energy due to the objects position is called
(a)
23.
Ability to do a work is called
(a)
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