NEW
Font size
S
M
L
XL
WorksheetsLevers Simple Machines
Total questions: 22
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
An example of a lever is a ...
a)
pulley
b)
bicycle
c)
scissors
d)
screw
2.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side
c)
on the same side as the load arm.
3.
A good example of a second class lever is the ...
a)
Can-opener
b)
Wheelbarrow
c)
hammer
d)
tongs
4.
A force multiplier is a simple machine that multiplies your ...
a)
strength
b)
effort
c)
load
d)
speed
5.
A lever is used to raised a 12 kilograms mass with a effort that is only 4 kilograms. What is the mechanical advantage ?
a)
12
b)
4
c)
3
d)
32
6.
Third class levers are said to be speed multipliers.
examples of third class levers include all of the below except .....
examples of third class levers include all of the below except .....
a)
a door handle
b)
baseball bat
c)
tennis rachet
d)
golf club
7.
Third class levers give a speed advantage because they...
a)
the move a load through a large distance than the effort moves the same time
b)
Moves an effort a further distance than the load
c)
allow you to catch a fish quickly before you applied so much effort
d)
allow you to pick up a heavy load quickly
8.
Which of the following is not an inclined plane
a)
shovel
b)
screw
c)
ramp
d)
wedge
9.
Simple machines (crow bar, ramp, axe, screw, crane) do which of the following?
a)
Reduce the mass of an object that needs to be moved
b)
Reduce the distance an object needs to be moved
c)
Reduce the amount of time needed to move an object over a distance
d)
Reduce the force needed to move an object over a distance
10.
What type of simple machines does the photo show?
a)
Lever and wedge
b)
Inclined Plane and lever
c)
Pulley and wedge
d)
Lever and screw
11.
What type of simple machine does the photo show?
a)
Inclined plane
b)
Lever
c)
Screw
d)
Pulley
12.
What type of simple machine does the photo show?
a)
Lever
b)
Inclined plane
c)
Wedge
d)
Screw
13.
What are examples of simple machines?
a)
door knob and wheel barrow
b)
bike and car
c)
inclined plane and lever
d)
hammer and nail
14.
When you rub two surfaces together it's called
a)
speed
b)
friction
c)
effort
d)
joules
15.
Effort is
a)
An inclined plane wrapped around a rod
b)
A unit used for measuring force
c)
How far an object moves in a certain amount of time
d)
The force applied to a simple machine
16.
If the fulcrum is closer to the effort, it will take
a)
more force to lift the load
b)
less force to lift the load
c)
equal force to the lift the load
d)
no force to life the load
17.
Ramps, a wedge, and a screw are all examples of
a)
levers
b)
pulleys
c)
wheels and axles
d)
inclined plance
18.
Which simple machine is an inclined plane wrapped around a cylinder?
a)
wedge
b)
screw
c)
wheel and axle
d)
lever
19.
Picture 2 shows a wheelchair going up a ramp. This is an example of what type of machine?
a)
lever
b)
screw
c)
inclined plane
d)
pulley
20.
Picture 5 shows a lid being twisted on to a jar. This is an example of what type of machine?
a)
screw
b)
lever
c)
inclined plane
d)
wheel and axle
21.
Which of the following is an example of a screw?
a)
hammer
b)
spiral staircase
c)
axe
d)
knife
22.
Mechanical Advantage
a)
gives the pulley a change in direction
b)
reduces the effort needed to lift the load
c)
neither
Reset
