A boy has to lift a load of mass $50 k g$ to a height of $1 m .$ What effort is required if he lifts it directly ? Take $g = 10 N k g^{- 1}$ .

500 N

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50 N

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5 N

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5000 N

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Solution

The correct option is A $500 N$
Effort = weight of the mass = $50 \times g = 500 N$

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A boy has to lift a load of mass 50kg to a height of 1m. What effort is required if he lifts it directly ? Take g=10Nkg−1.

The correct option is A 500NEffort = weight of the mass = 50×g=500 N

A boy has to lift a load of mass $50 k g$ to a height of $1 m .$ What effort is required if he lifts it directly ? Take $g = 10 N k g^{- 1}$ .

The correct option is A $500 N$
Effort = weight of the mass = $50 \times g = 500 N$