Physics
NULL
Medium
Question
A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?
A
FE
B
½FE
✓ Official correct answer
C
FE2/L
D
FE2
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
FE
No member explanations yet for this option.
B
½FE
No member explanations yet for this option.
C
FE2/L
No member explanations yet for this option.
D
FE2
No member explanations yet for this option.
Explanation
Within the elastic limit, the force increases linearly from 0 to F as the wire stretches, so the energy stored equals the area under the force-extension graph: (1/2)FE.
Related Questions
Q
The waves which are used for line of sight (LOS) communication are called:
Medium
· Physics
Q
A potential difference is applied across the ends of a wire. If the potential di...
Medium
· Physics
Q
Relation between linear velocity and angular velocity:
Medium
· Physics
Q
If the axis of rotation passes through the body and the body moves around itself...
Medium
· Physics