WorksheetsWhat is work?
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
When work is done, an object changes its __________.
a)
load
b)
position
c)
joules
d)
energy
2.
Work is done when a force moves an object in the _________ of the force that is applied.
a)
direction
b)
position
c)
energy
3.
To measure work, you must ________ the force by the distance through which it acts.
a)
add
b)
subtract
c)
multiply
d)
divide
4.
Work is measured in newton-meters, or _______.
a)
work
b)
joules
c)
watts
d)
kilometers
5.
The formula for measuring work is ________
a)
W= R/D
b)
D=RT
c)
J= FxC
d)
W=FxD
6.
Julie rolled a 2-kg ball down a ramp 10 meters long. (Remember, 1kg =9.8 newtons.) How much work was done?
a)
196 joules
b)
15 joules
c)
68 Newtons
7.
Kevin lifted a 10-newton box a distance of 1.5 meters. How much work did he do?
a)
10 newtons
b)
4 joules
c)
15 joules
8.
A high jumper weighing 700 newtons jumps over a bar 2.0 meters high. What work does the high jumper do?
a)
24 joules
b)
1200 newtons
c)
1,400 joules
9.
A mountain climber who weighs 900 newtons scales a 100-meter cliff. How much work does the climber do?
a)
90,000 Joules
b)
900 watts
c)
1800 joules
10.
A parent uses a force of 300 newtons to pull a toddler in a wagon for 400 meters. How much work did the parent do?
a)
12,000 newtons
b)
120,000 joules
c)
60,000 joules
11.
A force of 550 newtons was used to move a stone 23 meters. How much work was done?
a)
5500 joules
b)
75 newtons
c)
12,650 joules
12.
Pushing a lawn mower requires a force of 200 newtons. If 4,000 joules of work is performed, how far has the mower moved?
a)
20 meters
b)
25 meters
c)
200 joules
13.
A box was pushed 42 meters, and 13,734 joules of work was done. How much force was used?
a)
578,8287 joules
b)
327 newtons
c)
300 meters
14.
A pitcher threw a ball of 2 newtons and did 330 joules of work. How far did she throw the ball?
a)
165 meters
b)
52 meters
c)
660 meters
15.
A landscape worker attempted to move a 300kg boulder for 30 minutes but was unable to budge it. How much work did the worker do?
a)
2,940 newtons
b)
0 joules
c)
29.4 meters
100 %
