Question

Q-6
A stone weight 490 N on a planet
whose acceleration due to gravity is
one half of the earth valu lakulate
the mass of stone and its weight
on earth. Take a due to
9.8 m/s²
gravity

Answer 1

Mass of the stone=100 kg

Explanation:

Given:

Force exerted by stone on the planet= 490 N

Acceleration due to gravity here= 9.8*1/2=4.9 m/s^2

We know that,

F= ma

490=m*4.9

m= 490/4.9

m= 100 kg

Therefore, mass of the stone is 100 kg.

weight=mg= 100*9.8= 980 N

hope this helps