Question

1. A person's mass happens to be 70 kg, while the gravity on earth is 10 m/s2. Find out the weight of this person. 2. An individual weighs 250 newtons. Calculate the mass of the individual considering the force of gravity on the mass as 1.6 m/s2 3.Compute the weight of a body on earth whose mass is 25 kg 4. Compute the weight of a body if the mass is 60 k? Force of gravity is given as 1.6 m/s2 5. The weight of an object is 12 newtons. Calculate the mass of an object if the gravity if the gravity on the object is 1 m/s2

Answer 1

Answer:

1. A person's mass happens to be 70 kg, while the gravity on earth is 10 m/s2. Find out the weight of this person.

Answer : In order to determine the formula of weight, one has to apply the weight formula.

Here m = 70 kg and g = 9.8 m/s2

W = mg

W = 70 × 9.8

W = 637 Nw

Hence, the weight of the person is 637 Nw.

Q2. An individual weighs 250 Nw on the moon. Calculate the mass of the individual considering the gravity on the mass as 1.6 m/s2?

A2 Here, w = 250 Nw and g = 1.6 m/s2

W = mg

m = w/g

m = 250Nw/ 1.6m/s2

m = 156.25kg.

Hence, the mass of the individual is 156.25 kg.

Answer 2

Explanation:

1. weight= mass x acceleration due to gravity

= w= 70kgx10m/.s²

= w= 700N

2. W= m* a

250N = m x 1.6m/s²

= m= 250/1.6= 156.25kg

3. W= 25kgx10m/s²

= 250N

4. W= 60x1.6m/s²

=96N

5. W= m x a

12N= m x 10m/s²

m= 12/10 = 1.2 kg

I think it helped u dear