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Simple Machines

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.

What is a inclined plane..?

a)

A thing wrapped around a inclined plane

b)

Any flat sloping surface

c)

A simple machine used to pull things

d)

A complex machine that slopes

2.

What is a screw...?

a)

A sloped surface

b)

A bicycle

c)

A inclined plane wrapped around a cylinder or a cone

d)

A simple machine made up of one or two inclined planes

3.

Which one is the correct example of a pulley...?

a)
b)
c)
d)
4.

What is a wedge...?

a)

A simple machine made up of one or two inclined planes

b)

An axe

c)

A inclined plane wrapped around a cone

d)

None of the above

5.

How many types of simple machines are there...?

a)

2

b)

9

c)

6

d)

7

6.

When does work occur...?

a)

While sitting/standing motionless

b)

When a force causes an object to move in the direction of the applied force

c)

When a force causes an object to move in the opposite direction of the applied force

d)

All of the above

7.

What is a machine...?

a)

an apparatus using or applying mechanical power and having several parts, each with a definite function and together performing a particular task.

b)

Something that reduces the amount of force while pushing an object

c)

A machine is any device that changes the amount of force applied to an object

d)

All of the above

8.

What is a lever...?

a)

A wheel that has a groove along its edge

b)

The fixed point

c)

A simple machine in which either a wheel turns a wheel around a central pivot

d)

A simple machine having an arm that moves around a fixed point

9.

What is a pulley...?

a)

A wheel that has a groove along its edge

b)

Something you pull on

c)

A wheel and axle

d)

A complex machine

10.

What is a wheel and axle...?

a)

A simple machine in which either a wheel turns an axle or an axle turns a wheel around a central pivot

b)

Part of a lever on which a person or another machine applies a force

c)

A well

d)

A simple machine having an arm that moves around a fixed point

11.

What is fulcrum...?

a)

The fixed point

b)

A part of the lever on which a person or another machine applies force

12.

What is a effort arm...?

a)

The fixed point

b)

A part of the lever on which a person or another machine applies force

13.

What is the resistance arm...?

a)

The part of the lever that applies a force on an object

b)

A part of the lever on which a person or another machine applies force

14.

Which one is a third class level...?

a)

FEL

b)

LEF

c)

EEL

15.

Which one is a second class lever...?

a)

EFL

b)

LEF

c)

ELF