Physics
Grade-7
Easy
Question
A block has a mass of 1120 Kg. It is at the height of 10 m. How much gravitational potential energy does the block have?
- 1.098 Kg
- 10.98Kg
- 109.8Kg
- 1098Kg
Hint:
If the mass is 1120 Kg, h is 10 m, and the GPE is 109.8 
103 Kgm2/s2.
The correct answer is: 109.8Kg
- The gravitational potential energy GPE= mgh.
- m = 1120 Kg, h= 10 m.
GPE = mgh
= 1120 
9.8 10
=109.8 103 Kgm2/s2
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