WorksheetsWork
Total questions: 16
Worksheet time: 19mins
Name
Class
Date
1.
How is work defined?
a)
the amount of energy
b)
the transfer of force over a distance
c)
rate of work in a given time
d)
the change in distance in a given time
2.
What is the equation for force?
a)
F= mass × acceleration
b)
F = mass × distance
c)
F= distance/time
d)
F = mass/time
3.
What is the equation for work?
a)
W = mass * acceleration
b)
W = force * distance
c)
W = force/distance
d)
W = speed/time
4.
What is the unit of measurement for work?
a)
Newtons
b)
Joules
c)
Watts
d)
Meters
5.
Which of the following is an example of work being done?
a)
Teacher sitting in a chair
b)
Book resting on desk
c)
Keys hanging from a key chain
d)
A ball being rolled on the floor
6.
If a student uses 10 Newtons of Force to push a chair 5 meters, how much is work is being done?
a)
2 Joules
b)
.5 Joules
c)
50 Joules
d)
20 Newtons
7.
If a boulder is lifted by a forklift a distance of 10 meters with a force of 30 Newtons. How much work is being done?
a)
.333 Joules
b)
3 Joules
c)
300 Joules
d)
60 Joules
8.
If a bowling ball weighing 5 kg is dropped from a 30 meter tall building, how much work is being done if the acceleration due to gravity is 9.8 m/s^2 (Hint: F = m*a)
a)
1,470 Joules
b)
150 Joules
c)
49 Joules
d)
294 Joules
9.
If a lion drags his prey 10 meters to his den doing 500 joules of work, how much force did he use?
a)
50 Newtons
b)
500 Joules
c)
50,000 Newtons
d)
10 Newtons
10.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
11.
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
a)
15 J
b)
45 J
c)
0 J
d)
5 J
12.
Select all: Work is equal to...
a)
KE + PE
b)
Change in energy
c)
mg
d)
Fd
13.
Energy is the ability to do ___________.
a)
Nothing
b)
Work
c)
Energy
d)
Change
14.
Is this an example of work?
A teacher applies a force to a wall and becomes exhausted.
A teacher applies a force to a wall and becomes exhausted.
a)
True
b)
False
15.
Is this an example of work?
A waiter carries a tray full of meals above his head by one arm straight across the room at constant speed.
A waiter carries a tray full of meals above his head by one arm straight across the room at constant speed.
a)
True
b)
False
16.
Is this an example of work?
A rocket accelerates through space.
A rocket accelerates through space.
a)
True
b)
False
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