science
Grade6
Easy
Question
Find the potential energy of the body if the mass of the object is 1 kg and is falling from a height 1 m.
- 9.8J
- 9.9J
- 9J
- 9.5J
Hint:
Potential energy= mass x gravitational acceleration x height.
The correct answer is: 9.8J
Given,
mass of the object = 1 Kg
Height from which the object is falling = 1 m
According to the formula,
Potential energy= mass x gravitational acceleration x height.
PE = 1 x 9.8 x 1 ( gravitational acceleration = 9.8m/s2)
PE = 9.8 J
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