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Hooke's Law
Test Description: Hooke's Law Physics
Instructions: Answer all questions to get your test result.
1) A physicist hangs a 150-g object on a spring whose spring constant is 13.22 Newtons/meter. How far does the spring stretch?
A
.11 meters
B
1983 meters
C
111.2 meters
D
11.3 meters
2) How much force is needed to pull a spring with a spring constant of 16 N/m a distance of 30 cm?
A
4.8 N
B
-4.8 N
C
-480 N
D
480 N
3) A spring is pulled to 25 cm and held in place with a force of 325 N. What is the spring constant of the spring?
A
1300N/m
B
8125 N/m
C
13 N/m
D
13000 N/m
4) If a spring has a spring constant of 12 N/m and it is stretched 4.5 cm, what is the force of the spring?
A
-.54 N
B
540 N
C
.54 N
D
-540 N
5) What is the magnitude of the force required to stretch a 20 cm-long spring, with a spring constant of 100 N/m, to a length of 21 cm?
A
2100 N
B
100 N
C
10 N
D
1 N
6) What is the spring constant of a spring that needs a force of 3 N to be compressed from 40 cm to 35 cm?
A
.075 N/m
B
.6 N/m
C
60 N/m
D
-60 N
7) A spring with a spring constant of 376 N/m has a mass hung on it so that it stretches 10 cm. Calculate how much mass the spring is supporting.
A
37.6 kg
B
383.6 kg
C
3760 kg
D
3.8 kg
8) When a student hangs a 22.0-g object on a spring, it stretches 7.3 cm down from its equilibrium position. What is the spring constant of the spring?
A
.30 N/m
B
301.3 N/m
C
2.95 N/m
9) Will a strong spring have a big or small constant?
A
small
B
Big
10) Will a weak spring have a big or small constant?
A
small
B
big
*select an answer for all questions
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