Question

Calculate the force of gravity on a body of mass 100kg places on the surface of earth (g=9.8 m/s)

Answer 1

Answer:

Explanation:Mass =100kg

g=9.8m/s

Weight =mg or m*g

=100*9.8=980N.

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Answer 2

The force of gravity on a body of mass 100kg on surface of Earth is 980N.

Given:-

Mass of body = 100kg

acceleration = 9.8m/s²

To Find:-

The force of gravity on a body. of mass 100kg on surface of Earth.

Solution:-

We can easily calculate the force of gravity on a body by using these simple steps.

As

Mass of body (m) = 100kg

acceleration (g) = 9.8m/s²

Force of gravity on the body (F) =?

According to the formula of the Second law of Motion,

$F = \frac{dm.v}{dt}$

since m is Constant

$Force = mass \times acceleration$

$F = m \times g$

On putting the values,

$F = 100 \times 9.8$

$F = 980 \frac{kgm}{ {s}^{2} }$

or

$F = 980N$

Hence, The force of gravity on a body of mass 100kg on the surface of Earth is 980N.

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