Question

The weight of a body is 45 kgf. Its mass is?

Answer 1

Answer:

Given, the weight of the body, w  = 45 kg

We need to find the mass of the body.

Generally, many people think that mass and weight are the same. But in reality,  they are not the same.

There is a relation between mass and weight of the body.

i.e.,

⇒ w = m g

We know that gravity of the earth is 9.8 m/s.

⇒ 45 = m (9.8)

⇒ m = 4.58 kg

So the mass of the body is 4.58 kg

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