WorksheetsSimple machines
Total questions: 30
Worksheet time: 2hrs 26mins
Name
Class
Date
1.
A simple machine is a device that helps to reduce the amount of _____ required to work.
a)
force
b)
energy
c)
work
2.
____ is done when a force is applied over a distance.
a)
energy
b)
work
c)
force
3.
Which of the following does a simple machine do?
a)
reduce the amount of work needed to do work
b)
reduce the amount of force needed to do work
c)
Both of the above
4.
Consists of two or more simple machines.
a)
multiple machine
b)
compound machine
c)
duplex machine
5.
Which of the following is NOT an example of a compound machine?
a)
scissors
b)
fishing pole
c)
ramp
6.
A _____ is a fixed bar that us free to move around a fixed point known as a fulcrum.
a)
pulley
b)
inclined plane
c)
lever
7.
A lever is designed to:
a)
reduce the amount of force required to do work
b)
increase the amount of effort required
c)
increase the amount of energy needed to work
8.
A ______ is a grooved wheel with a rope running along the groove.
a)
lever
b)
pulley
c)
screw
9.
A _______ pulley is used to reduce the amount of effort force.
a)
movable
b)
fixed
c)
single
10.
A _____ pulley only changes the direction of the force.
a)
movable
b)
fixed
c)
alternate
11.
A sloping force, like a ramp, that reduces the mount of force required to lift an object.
a)
screw
b)
wheel and axle
c)
inclined plane
12.
How can an incline plane reduce the amount of force required to lift an object?
a)
increase the length of the ramp
b)
increase the height of the ramp
c)
decrease the length of the ramp
13.
Consists of two circular objects; a central shaft (axle) and a wheel.
a)
wheel and axle
b)
screw
c)
pulley
14.
A simple machine that can split things apart or hold a door open.
a)
wedge
b)
screw
c)
lever
15.
A simple machine that is made up of an incline plane wrapped around a cylinder. It is often used to hold things together.
a)
lever
b)
screw
c)
wedge
16.
Scissors are an example of a compound machine. What simple machines are used to make up this compound machine?
a)
2 levers and 2 inclined planes
b)
2 levers and 2 pulleys
c)
2 pulleys and 2 inclined planes
17.
A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?
a)
lever, wheel and axle, pulley
b)
wheel and axle, inclined plane, pulley
c)
wheel and axle, pulley, inclined plane
18.
Which of the following is NOT an example of a compound machine?
a)
bicycle
b)
stairs
c)
lawn mower
19.
Flagpole
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
20.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
21.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
22.
Pedals, handle bars and handbrakes on a bicycle
a)
wedges
b)
pulleys
c)
incline planes
d)
levers
23.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
24.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
25.
How could I reduce the effort force needed to lift the load?
a)
move the fulcrum away from the load
b)
move the fulcrum closer to the load
c)
place the fulcrum in the middle
26.
How much work is done if I use 5 Newtons to move an object 2 meters?
a)
10 Newtons
b)
10 meters
c)
10 Joules
d)
7 Joules
27.
How much work is done if I use 10 Newtons to move an object 3 meters?
a)
30 Newtons
b)
13 meters
c)
30 Joules
d)
30 meters
28.
Screws and wedges are examples of what other type of simple machine?
a)
pulley
b)
inclined plane
c)
levers
d)
gears
29.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
30.
What do you call a machine made up of two or more simple machines?
a)
complicated machine
b)
compound or complex machine
c)
comprehensive machine
d)
constructive machine
100 %
