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Simple Machines

Total questions: 45

Worksheet time: 37mins

Name
Class
Date
1.

Identify the simple machine in the picture.

a)

Wheel and axle

b)

Inclined plane

c)

Lever

d)

Wedge

2.

Identify the simple machine in the picture.

a)

Inclined plane

b)

Wedge

c)

Pulley

d)

Screw

3.

Identify the simple machine in the picture.

a)

Lever

b)

Inclined plane

c)

Wheel and axle

d)

Screw

4.

Identify the simple machine in the picture.

a)

Wheel and axle

b)

Inclined plane

c)

Screw

d)

Pulley

5.

Identify the simple machine in the picture.

a)

Screw

b)

Wheel and axle

c)

Wedge

d)

Pulley

6.

Identify the simple machine in the picture.

a)

Inclined plane

b)

Wedge

c)

Lever

d)

Screw

7.

A hammer would be an example of which type of simple machine?

a)

Inclined plane

b)

Pulley

c)

Wheel and axle

d)

Lever

8.

A slide would be an example of which type of simple machine?

a)

Lever

b)

Inclined plane

c)

Wheel and axle

d)

Wedge

9.

A door knob would be an example of which type of simple machine?

a)

Pulley

b)

Wheel and axle

c)

Screw

d)

Inclined plane

10.

A crane would be an example of which type of simple machine?

a)

Wedge

b)

Wheel and axle

c)

Pulley

d)

Lever

11.

A wheelchair ramp would be an example of which type of simple machine?

a)

Inclined plane

b)

Wedge

c)

Pulley

d)

Wheel and axle

12.

A drill bit would be an example of which type of simple machine?

a)

Lever

b)

Wedge

c)

Incline plane

d)

Screw

13.

A simple machine makes work easier by doing which of the following?

a)

Increasing the distance through which force is applied.

b)

Changing the direction of applied force.

c)

Multiplying the force of the energy applied.

d)

All of the above.

14.

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What two simple machines are used in a wheelbarrow?

a)

Wheel/ axle and a lever

b)

Lever and a wedge

c)

Wheel/ axle and a screw

d)

Inclined plane and a lever

15.

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What two simple machines are used in a pair of scissors?

a)

Lever and a wheel/ axle

b)

Screw and a wedge

c)

Wedge and a lever

d)

Pulley and a lever

16.

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What three simple machines are used in a can opener?

a)

Wedge , wheel/ axle, and inclined plane.

b)

Wedge, lever, and wheel/ axle.

c)

Inclined plane, screw, and wheel/ axle.

d)

Pulley, wheel/axle, and wedge.

17.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
18.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum 
19.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge 
20.
A seesaw is an example of a  
a)
wedge
b)
lever 
c)
inclined plane 
d)
pulley 
21.
A device that has two or more simple machines working together 
a)
fulcrum 
b)
pulley
c)
compound (complex) machine 
d)
motor 
22.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
23.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
24.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
25.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
26.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
27.
The fixed point on the lever is called 
a)
load
b)
resistance
c)
bar
d)
fulcrum
28.
The transfer of energy that occurs when a force makes an object move is known as 
a)
effort
b)
potential 
c)
kinetic 
d)
work 
29.
The device used to raise a flag up a flag pole is an example of a 
a)
wheel and axle 
b)
lever
c)
inclined plane 
d)
pulley 
30.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
31.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
32.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
33.

Work = force x _______________

a)

energy

b)

height

c)

distance

d)

sunlight

34.

Work is being done mowing the lawn.

a)

True

b)

False

35.

Is work being done when pushing on a wall?

a)

Yes

b)

No

36.

A screw is an inclined plane wrapped around a cylinder.

a)

True

b)

False

37.

The unit for work is Joule.

a)

True

b)

False

38.

What simple machine is a belt, chain or rope wrapped around a wheel?

a)

screw

b)

wheel and axle

c)

pulley

d)

wedge

39.

What forces must be overcome to move an object up an inclined plane?

a)

Gravity

b)

Friction

c)

Air Resistance

d)

Inertia

40.

You need to lift a heavy statue 30 feet into the air. Which simple machine would be best to use?

a)

Wheel and Axle

b)

Inclined Plane

c)

Pulley

d)

Wedge

41.
Mechanical Advantage:  To change the direction of a force.
a)
Wedge
b)
Pulley
c)
Screw
d)
Wheel and Axle
42.
Something that uses a rope and can change the direction of a force.
a)
Wedge
b)
Lever
c)
Inclined Plane
d)
Pulley
43.
What type of simple machine is this?
a)
Pulley
b)
Screw
c)
Inclined Plane
d)
Lever
44.
Which of the following is a requirement for work to be done?
a)
Force is exerted.
b)
Object is carried.
c)
Force moves an object.
d)
Machine is used.
45.
Which is an example of how a simple machine changes the direction of a force?
a)
using a rope to pull a box up a hill
b)
using a rope and pulley to raise a flag
c)
using a slide to push a box down steps
d)
using an axle and wheel to make a wagon move forward

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