set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

The weight of human body is

a) Same at every place on the Earth’s surface

b) Maximum at the poles

c) Maximum at the equator

d) More on the mountains than planes

Question : 2

A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/$s^2$. What will be its velocity after 3 s?

a) 19.6 m/s

b) 9.8 m/s

c) 29.4 m/s

d) 39.2 m/s

Question : 3

Which of the following pairs is correctly matched?

a) 2 3 4 1

b) 2 1 4 3

c) 3 4 1 2

d) 4 1 2 3

Question : 4

Who among the following anticipated Newton by declaring that all things gravitate to the Earth?

a) Varahamihira

b) Aryabhatta

c) Buddhagupta

d) Brahmagupta

Question : 5

A Geosynchronous satellite continuously active in its orbit due to centrifugal force which is obtained by

a) The gravitational force on the satellite by the Earth

b) The rocket engine that propelled the satellite

c) The gravitational force on the satellite by the Sun

d) The gravitational force on the Earth by satellite

Question : 6

The mass of a body on the Earth is 100 kg (acceleration due to gravity, $g_e = 10 m/s^2$). If acceleration due to gravity on the Moon is ($g_e = 106 m/s^2$), then the mass of the body on the Moon is

a) 60 kg

b) 100/6 kg

c) 100 kg

d) 600 kg