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WorksheetsMechanical Advantage Review
Total questions: 24
Worksheet time: 43mins
What is effort (input) force?
the force one exerts on a machine
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
A box of weight W is lifted by a force F using a lever as shown below.
What is the mechanical advantage of the lever (MA=Input Distance/Output Distance)?
0.5
2
3
6
What is the mechanical advantage of this pulley?
.5
1
1.5
2
A load of 650 newtons is lifted with this pulley. What is the effort required to do this work?
300
325
600
650
An effort of 450 newtons is applied to this pulley. What is the force of the load that will be lifted?
450
600
750
900
What is the mechanical advantage of this pulley system?
4
6
8
10
What is mechanical advantage?
The advantage a machine has over a bicycle
A measure of how much a simple machine reduces work
A measure of when is the best time to use a simple machine
the number of times a machine increases input force
In the diagram how much force must the man be exerting?
100 Newtons
85 Newtons
110 Newtons
0 Newtons
Will the man be able to lift the pig in this situation if his maximum force exertion is 1000 Newtons?
No
Yes
How much force must be applied to lift the weight in the picture?
40 Newtons
25 Newtons
70 Newtons
50.1 Newtons
How much force must be applied to lift the weight in the picture?
13 Newtons
25.1 Newtons
70 Newtons
50.1 Newtons
Identify the simple machine in the picture.
Wheel and axle
Inclined plane
Lever
Wedge
Identify the simple machine in the picture.
Inclined plane
Wedge
Pulley
Screw
