How much elastic potential energy is stored in a wall if leaning on it with an average force of 100N causes it to bow inward by one millimeter (0.001 meters).
(A) 100J. (B) 0.001J. (C) 1J. (D) 0.1J.
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(A) 100J. --- No.
Multiply the force by the distance.
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(B) 0.001J. --- No.
Multiply the distance by the force.
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(C) 1J. --- No.
Count the zeros and use scientific notation.
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(D) 0.1J. --- Yes. Use Scientific notation:
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