WorksheetsPulleys and Levers
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
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.
work is...
a)
energy from the sun
b)
a type of machine
c)
a force that moves an object
d)
a force that pulls you toward the earh
4.
What two parts might make a pulley?
a)
wheel and axle
b)
wheel and rope
c)
wheel and screw
d)
wheel and fulcrum
5.
Which simple machine is used to raise or lower the flag seen in the picture below?
a)
lever
b)
fixed pulley
c)
screw
d)
moveable pulley
6.
Which of the following decreases when an object is lifted using a movable pulley?
a)
The distance the object moved
b)
The amount of force needed
c)
The length of the pulley’s rope
d)
The pull of gravity on the object
7.
The diagram provided shows a fixed pulley system.A fixed pulley does not change the amount of effort needed to lift the load, but it does change the
a)
direction of the force.
b)
weight of the load.
c)
volume of the force.
d)
shape of the load.
8.
The diagram provided shows a 50 N load attached to a movable pulley.What amount of force must act on the left rope of the pulley in order to lift the load?
a)
Less than 25 N
b)
25 N
c)
50 N
d)
More than 50 N
9.
The diagram shows a 225 N load attached to a movable pulley. What amount of force is required to lift the load? Record your answer on the grid below.
a)
0.1125N
b)
112.5N
c)
11.25N
d)
1.125N
10.
The diagram shows a movable pulley system. When moving a load, this pulley system changes the —
a)
direction of the force.
b)
amount of force needed.
c)
pull of gravity on the load.
d)
overall mass of the rope.
11.
The force Earth exerts on objects on or near its surface
a)
Force
b)
Gravity
c)
Inclined Plane
d)
Simple Machine
12.
A push or a pull
a)
Force
b)
Gravity
c)
Pulley
d)
Inclined Plane
13.
The object to be moved using a machine.
a)
Pulley
b)
Effort
c)
Fulcrum
d)
Load
14.
Unit of force.
a)
Meter
b)
Centimeter
c)
Newton
15.
Let's say you had a pulley system with a mechanical advantage of 3. If you want to lift a boulder 10 meters off the ground, how far would you have to pull the rope?
a)
3 meters
b)
10 meyers
c)
30 meters
d)
300 meters
16.
Look at the illustrations above. Which pulley system provides only a directional advantage?
a)
A.
b)
B.
c)
C.
d)
D.
17.
Identify the SM pulley
a)
A
b)
B
c)
C
18.
When using a movable pulley the load is attached to the pulley.
a)
True
b)
False
19.
A pulley is a type of lever.
a)
True
b)
False
20.
There is a directional advantage when using a movable pulley.
a)
True
b)
False
21.
What is the effort required to lift the load and how far will the rope need to be pulled if the load is to be lifted 20 feet?
a)
150 N and 20 feet
b)
300 N and 10 feet
c)
75 N and 40 feet
d)
75 N and 20 feet
22.
What type of pulley is this?
a)
SM
b)
SF
c)
SF/SM effort up
d)
SF/SM effort down
100 %
