Physics
Grade-6
Easy
Question
If a body of mass 2 kg is at height 5 m, then find gravitational potential energy with respect to earth (g =10 m/s2).
- 90
- 50
- 100
- 200
Hint:
Potential Energy=Mass ×gravity×height
The correct answer is: 100
Gravitational Potential Energy=mass×gravity×height
- P.E=2kg ×5m ×10m/s2 =100 kgm2/s2
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