Energy Mass and Power Multiple Choice Questions and Answers 1 PDF Download
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MCQ on Energy Mass and Power Test 1
MCQ: For 2 objects of different masses moving at same speed, object of greater mass has
- no kinetic energy
- greater potential energy
- smaller kinetic energy
- greater kinetic energy
MCQ: Energy converted to useful electrical energy is about
MCQ: A machine has ability to lift blocks vertically up to a height of 30 m above ground in 50 s. power of machine is
- 1.2 kW
- 0.12 kW
- 300 kW
- 6 kW
MCQ: A girl accidently dropped a stone from her building, mass os stone is 12 g and height is 60 m. If air resistance can be neglected and g = 10 N kg-1, what is speed of stone when it hits ground?
- 5.6 J
- 7.2 J
- 3.9 J
- 5.8 J
MCQ: SI unit of work is