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Worksheets

MACHINES

Total questions: 40

Worksheet time: 31mins

Name
Class
Date
1.
What is a pulley?
a)
wheel that turns on a post
b)
uses a wheel and rope to lift a load
c)
made of two or more simple machines
d)
flat surface that is higher at one end
2.

Mary always go to a well to get some water to her plant. What type of simple machine can be found in a well.

a)

wheel and axle

b)

screw

c)

pulley

3.

What type of simple machine shows in a given picture?

a)

wedge

b)

inclined plane

c)

pulley

4.

Which of the following does NOT a function of simple machines?

a)

help us to do work with less force

b)

make work easier

c)

makes us to become lazy

5.

Which simple machine can be best to use in cutting your nails?

a)

knife

b)

scissors

c)

nail clipper

6.



(a)  

7.



(a)  

8.



(a)  

9.



(a)  

10.



(a)  

11.
a)

pulley

b)

lever

c)

wedge

d)

inclined plane

12.
a)

pulley

b)

wheel and axle

c)

wedge

d)

screw

13.
a)

inclined plane

b)

wedge

c)

pulley

d)

screw

14.
a)

pulley

b)

wheel and axle

c)

inclined plane

d)

lever

15.
a)

pulley

b)

wedge

c)

screw

d)

inclined plane

16.
a)

pulley

b)

screw

c)

wheel and axle

d)

wedge

17.
a)

wedge

b)

inclined plane

c)

lever

d)

pulley

18.
a)

lever

b)

screw

c)

pulley

d)

wedge

19.
a)

pulley

b)

lever

c)

wheel and axle

d)

wedge

20.
a)

inclined plane

b)

lever

c)

pulley

d)

wheel and axle

21.

Simple machines make work easier by trading ________ for force.

a)

Distance

b)

Motion

c)

Work

d)

Friction

22.

The following are parts of a lever.

a)

Resistance

b)

Effort

c)

Fulcrum

d)

Distance

23.

Machines are used to transform, transfer energy, multiply speed or force, and change the direction of the force.

a)

True

b)

False

24.

Is a grooved wheel that turns around an axle which is held in place by a mounting bracket. Rope and wire moves along the wheel's circumference.

a)

Screw

b)

Inclined plane

c)

Pulley

d)

Lever

25.

It has the same appearance with a pulley, but is has a wheel that is fixed to the axle, like in the steering wheel of a car.

a)

Incline plane

b)

Lever

c)

Wedge

d)

Wheel and axle

26.

Is another simple machine, which consists of an inclined plane wrapped around a cylinder.

a)

Wedge

b)

Lever

c)

Pulley

d)

Screw

27.

Is a simple machine made up of two inclined planes placed back to back creating a thick base and a sharp edge.

a)

Wedge

b)

Inclined Plane

c)

Wheel and axle

d)

Lever

28.

Is a flat surface whose one end is higher than the other to lift heavy objects with relatively little effort.

a)

Wedge

b)

Inclined Plane

c)

Screw

d)

Pulley

29.
A girl pushes a box across the floor. Did she do work?
a)
no
b)
yes
30.
Is work being done if I am trying to pick up a box but can not lift it?
a)
yes
b)
no
31.
A 50 N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
32.
A _______ is a rope or chain wrapped around a wheel. 
a)
wedge 
b)
lever 
c)
pulley 
d)
screw
33.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
34.
A door knob is an example of which machine?
a)
wheel and axle
b)
swrew
c)
pulley 
d)
inclined plane 
35.
A seesaw is an example of which machine?
a)
wedge
b)
lever 
c)
inclined plane 
d)
pulley 
36.
The "fixed point" on which a lever rests and, or pivots is known as which of the following?
a)
screw
b)
wheel and axle
c)
see saw 
d)
fulcrum 
37.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum 
38.
A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.  
a)
wedge
b)
screw
c)
lever
d)
inclined plane 
39.
What are the units for work? 
a)
newtons
b)
meters
c)
force 
d)
joules 
40.
What is a simple machine?
a)
a device that has only one working motor
b)
a device that makes work easier
c)
a device that makes more work for a job
d)
device that is made up of two or more machines