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Chapter 13 Forces Lesson 4
Test Description: This Test covers what we learned in lesson 4
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a complex machine?
A
lever
B
go-cart
C
wheel and axle
D
pulley
2) What is one way a simple machine can help make work easier?
A
It can change the direction of the force needed to do the work.
B
It can reduce the amount of work that needs to be done.
C
It can change the fulcrum of the force needed to do the work.
D
It can make you stronger.
3) How can machines make work easier to do?
A
Machines change the mass of the object that needs to be moved
B
Machines change the direction or amount of force needed to do work
C
Machines increase the net force needed to do the work
D
Machines reduce the amount of work that needs to be done
4) Which of the following is a type of simple machine?
A
a car
B
a crane
C
a lever
D
a sailboat
5) Which of the following is an example of a lever?
A
wheel barrel
B
scissors
C
clothes pin
D
all of the above
6) Which complex machine uses mainly human force to operate the simple machines in it?
A
car
B
ship
C
bicycle
D
go-cart
7) Which of the following is an example of a wedge?
A
a screw
B
scissors
C
wheel barrel
D
a door stop
8) Which of the following is an example of a pulley?
A
a flag pole
B
a bucket in a well
C
all of the above
D
sails on a boat
9) Why is a screw considered a simple machine?
A
it is used with a screw driver
B
it has an inclined plane wrapped around it
C
its made of metal
D
it holds things together
10) Which of the following simple and complex machines would you find at school?
A
scissors
B
sails on a boat
C
go-cart
D
car
*select an answer for all questions
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