Civil Engineering MCQJE Level Civil Engineering
A small object of 4 kg is placed 3 m above datum. Its potential energy is:
Physics and ChemistryPhysics and ChemistryMEDIUM
Choose the correct answer
A
39.2 J
B
117.6 J
C
12 J
D
29.4 J
Correct Answer
B. 117.6 J
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Potential energy = mgh = 4 x 9.8 x 3 = 117.60000000000001 J.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.