When a body is taken from the equator to the poles, its weight
Remains constant
Increases
Decreases
Increases at N-pole and decreases at S-pole
(b)Because acceleration due to gravity increases
Define acceleration due to gravity. Give the magnitude of $g$ on the surface of earth.
In both figures shown below a hole along the diameter of earth. In first, a particle is released from $A$ and it oscillated with time period $T_1$. In second figure, same particle is released from point $B$ and it oscillates with time period $T_2$ then [$O$ is centre of earth]
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A:$ A pendulum clock when taken to Mount Everest becomes fast.
Reason $R:$ The value of $g$ (acceleration due to gravity) is less at Mount Everest than its value on the surface of earth.
In the light of the above statements, choose the most appropriate answer from the options given below
A body weighs $250\,N$ on the surface of the earth. ……. $N$ will it weigh half way down to the centre of the earth .
If a man at the equator would weigh $(3/5)^{th}$ of his weight, the angular speed of the earth is
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