motion under gravity - Category wise Question and Answer Practice Test with Solutions

Question : 6 [MPPCS (Pre) 2017]

The time period of a pendulum

a) Depends on its length

b) Depends on the mass

c) Depends on time

d) Depends on temperature

Question : 7 [IAS (Pre) 1994]

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

Question : 8 [UPPCS (Pre) 2006]

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 : 9 [IAS (Pre) 1995]

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

a) Varahamihira

b) Aryabhatta

c) Buddhagupta

d) Brahmagupta

Question : 10 [IAS (Pre) 2001]

Consider the following statements. A Simple Pendulum is set into oscillation. Then,

1. the acceleration is zero when the bob passes through the mean position.
2. in each cycle the bob attains a given velocity twice.
3. both acceleration and velocity of the bob are zero when it reaches its extreme position during the oscillation.
4. the amplitude of oscillation of the simple pendulum decreases with time.

a) 3 and 4

b) 1 and 2

c) 1, 2 and 4

d) 2, 3 and 4