Question

Q1.(A)Choose the correct option and rewrite the complete statement. [5]

1. If a person weighs 14 N on the moon’s surface, then the weight of the person on earth’s

surface is (A) 96 N (B) 84 N (C) 62 N (D) 54 N

2. What is the unit of Universal Gravitational constant in SI unit?

(A) N m kg (B) N m-2 kg-2

(C) N m2 kg2

(D) N m2 kg-2

3. Gravitational law gives the gravitational force between

(A) the earth and a point mass only (B) the earth and Sun only

(C) any two bodies having some mass (D) two charged bodies only

4. The force of attraction between two unit point masses separated by a unit distance equals

(A) gravitational potential (B) universal gravitational constant

(C) gravitational field (D) acceleration due to gravity

5. The tidal waves in sea are primarily due to gravitational effect of

(A) earth on the sea (B) Sun on the earth

(B) (C) earth on the moon (D) moon on the earth​

Answer 1

Answer:

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