Question

A weight of man is 686 N on the surface of the earth. calculate the weight of the same person on moon ('g' value of a moon is 1.625 m s-2​

Answer 1

The weight of the man on moon will be 113.75 N

• Weight = mass * acceleration due to gravity

• Acceleration due to gravity of earth = 9.8 ms ^ -2

• According to the question,

Weight of the man on earth = 686 N

Then, mass of the man = 686 / 9.8

                                         = 70 kg

• Weight of the same man on moon = 70 * 1.625

                                                             = 113.75 N

Answer 2

Thus the weight of the man on the moon is 1134.75 N

Explanation:

We are given that;

• Weight of the man on earth = 686 N
• Weight = mass * acceleration due to gravity
• Acceleration "g" = 9.8 ms^-2
• Mass of the man = 686 / 9.8
• Mass of man "m" = 70 kg

Weight of the same man on moon = 70 x  1.625

                                                          = 113.75 N

Thus the weight of the man on the moon is 1134.75 N