WorksheetsSimple Machine & Mechanical Advantage
Total questions: 31
Worksheet time: 1hrs 18mins
Which of these activities would require the least effort?
Walking up a short ramp with a steep incline.
Walking up a long ramp with a steep incline.
Walking up a long ramp with a slight incline.
Bypassing the ramp and jumping directly onto a platform.
What is a lever?
Any piece of metal that bends.
Any bar or a rod that's set up to tilt on a fulcrum.
Any bar that's used to lift a load.
Any bar that's attached to a pulley.
Simple machines make work easier by increasing what?
The distance over which work is done.
The force needed to do work.
The time required to do work.
The acceleration of a massive object.
A weightlifter lifts two 300 newton weights 1.5 meters off the ground. How much work has he done?
600 Joules
660 Joules
900 Joules
1200 Joules
800 joules of work were done with a force of 200 newtons. Over what distance was the force applied?
40m
20m
4m
2m
An ax, a zipper, and a front tooth are examples of a simple machine called a
Lever
Wedge
Screw
Inclined Plane
In which of the following situations do your arms do work on books?
holding a heavy stack of books while standing
carrying a heavy stack of books
picking up a pile of books from the floor
dropping a stack of books onto a table
Force x Distance =
Energy
Power
Work
Speed
Two students are on a seesaw. Student B is bigger than student A, so the seesaw is not balanced. How could the seesaw be balanced?
Student A should move toward the center while student B stays where he is.
Student B should move toward the center, while student A stays where he is.
Student B should move toward the end, while Student A should move toward the center.
Both Student A and Student B move toward the center.
The mechanical advantage tells you the number of times a machine increases the
output force
input force
net force
stable force
What is the Mechanical Advantage of the simple machine below?
112
7
Two factors that determine work are...
Force
Mass
Velocity
Distance
If you push a cart with a force of 60 N for 2 m... how much work have you done?
120 J
30 J
120 N
30 N
If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?
8000 J
8000 N
4000 J
2000 J
15 J
45 J
0 J
5 J
Using a pulley you only need to apply a force of 2 N to lift a 20 N object. What is the MA of the pulley?
2
20
10
1/10
Lightbulb has which simple machine?
wedge
pulley
incline plane
screw
What type of simple machine does the chain of a bicycle represent?
Pulley
Wheel
Screw
Wedge
The ratio between input arm and output arm is known as...
Fulcrum
Lever
Mechanical Advantage
Output Work
0.67 N
250 J
9 J
900 J
A lever is used to lift a heavy box with an input arm of 4 meters and an output arm of 0.8 meters. What is the mechanical advantage of the lever?
5
0.2
3.2
6
