Question

The work done against gravity in taking 10kg mass at 1 mein height in 1 second will be?
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Answer 1

Answer:

Explanation:

Mass of the object, m= 10 kg

Height through it is to be lifted, h= 1 m

Acceleration due to gravity, g =9.8 m/s²

Force to lift the object, F= m × g= 10 kg × 9.8 m/s²=98 kg m/s²=98 N

By definition,

Work done = Force×Displacement= F×h=98 N × 1 m= 98 J

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