Power and Work
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 360 J of work is needed to move a crate a distance of 4 m, what is the weight of the crate?
90 N
720 N
90 kg
720 W
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-1
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A box is pushed across the floor a distance of 8 m with a force of 55 N in 7 s. What is the work done?
440 J
440 W
62.9 J
62.9 W
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An Xbox consumes 15.7 watts while in standby mode. If you leave it in standby mode for 86,400 seconds (one day), how much work was done?
1,356,490 J
1,356,480 J
1,356,470 J
1,356,460 J
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Work is measured in which units?
Newtons
Joules
Watts
Joule/sec
Tags
NGSS.MS-PS3-5
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 150 Joules of work is needed to move a box 10 meters, what force was used?
1500 N
15 N
1.5 N
150 N
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You move a 0.8 kg object five meters in 4 seconds. How much power have you generated?
160 watts
10 watts
6.4 watts
17 watts
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
Tags
NGSS.MS-PS2-2
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