Civil Engineering MCQJE Level Civil Engineering
A load of mass 5 kg is hoisted by 8 m. Find its gravitational energy gain:
Physics and ChemistryPhysics and ChemistryMEDIUM
Choose the correct answer
A
80 J
B
40 J
C
400 J
D
50 J
Correct Answer
C. 400 J
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Potential energy = mgh = 5 x 10 x 8 = 400 J.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
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.