WorksheetsWork, Power and Simple Machines
Total questions: 14
Worksheet time: 13mins
Name
Class
Date
1.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
2.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
3.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
4.
What is the definition of power?
a)
the amount of work an object does
b)
the rate at which force is applied
c)
the amount of matter in an object
d)
the rate at which work is done
5.
What is an advantage of using a simple machine?
a)
less work in more time
b)
less work in less time
c)
more work less time
d)
same work less time
6.
A simple machine usually used to raise a flag is a
a)
inclined plane
b)
pulley
c)
lever
d)
wheel and axle
7.
A ramp is an example of a(n)
a)
inclined plane
b)
fulcrum
c)
force
d)
lever
8.
An inclined plane wrapped around a rod forms this simple machine
a)
lever
b)
pulley
c)
screw
d)
wedge
9.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
10.
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
11.
What is a unit of power?
a)
Ohm
b)
Ampere (A)
c)
Volt (V)
d)
Watt (W)
12.
Which action is considered to having no work done?
a)
A forklift lifting boxes
b)
Pushing a wheelchair up a ramp
c)
A snowplow moving snow
d)
A hockey puck being hit on ice
13.
What are the three elements necessary for work to be done?
a)
Force, energy, and cause
b)
Force, displacement, and cause
c)
Energy, displacement, and cause
d)
Buoyancy, energy, and cause
14.
What is the unit for work?
a)
Joules (j)
b)
Newtons (n)
c)
Kilograms (Kg)
d)
Watts (W)
100 %
