WorksheetsSimple Machines
Total questions: 20
Worksheet time: 3600secs
Name
Class
Date
1.
A simple machine that consists a rigid bar that pivots on a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum
2.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge
3.
When force is used to move an object across a distance, this is called...
a)
effort
b)
power
c)
energy
d)
work
4.
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
5.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
6.
Name this simple machine.
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
7.
How much work is done if I use 5N of force to move an object 2 meters?
a)
10 Newtons
b)
7 Newtons
c)
10 Joules
d)
7 Joules
8.
A simple machine that is made up of an incline plane wrapped around a cylinder, often used to hold things together is a...
a)
lever
b)
screw
c)
wedge
d)
pulley
9.
A ramp.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
10.
Mechanical Advantage: To increase or decrease the applied force.
a)
Lever
b)
Pulley
c)
Wheel and Axle
d)
Screw
11.
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
12.
What is effort (input) force?
a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
13.
What is resistance (output) force?
a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
14.
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
a)
1
b)
10
c)
100
d)
1000
15.
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
16.
Name this simple machine.
a)
Inclined Plane
b)
Lever
c)
Pulley
d)
Wedge
17.
What type of simple machines does the photo show?
a)
Lever and wedge
b)
Inclined Plane and lever
c)
Pulley and wedge
d)
Lever and screw
18.
A machine multiplies your effort force by 3 times. What does the number 3 represent?
a)
force
b)
mechanical advantage
c)
distance
d)
work
19.
A wheelbarrow, pulley, and wedge are all examples of what?
a)
levers
b)
inclined planes
c)
wheel and axel
d)
simple machines
20.
Rope, chain, or belt wrapped around a wheel that changes the direction of an applied force. Movable or fixed types.
a)
wedge
b)
screw
c)
wheel and axle
d)
pulley
100 %
