Question

1. What is the force of gravity between the earth and mass of 1 kg placed on its
surface:
(a) 9.8'N
(b) 8.9 N (c) 10 N
(d) 8 N
Answer - 9.8 N​

Answer 1

Answer:

Correct option is

A

9.8 N

Explanation:

Correct option is

A

9.8 N

force due to gracity is given by

r

2

GMm

=F, here

r

2

GM

represents acceleration due to gravity.

value of which is 9.81m/s

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and value of m is given as 1kg

so force acting on the body is m.g=1×9.81=9.81N

so answer is option A.