A pendulum clock is taken `1km` inside the earth from mean sea level. Then the pendulum clock

A pendulum clock becomes

A pendulum clock is taken to moon. Will it gain or lose time?

A pendulum clock on the earth is taken on the Jupiter, then it will run

Statement-1: Pendulum clock stops working on the spaceship Statement-2: Pendulum of the pendulum clock falls down on the spaceship.

Statement-1: Pendulum clock stops working on the spaceship Statement-2: Pendulum of the pendulum clock falls down on the spaceship.

Statement-1: Pendulum clock stops working on the spaceship Statement-2: Pendulum of the pendulum clock falls down on the spaceship.

We use the alloy invar in pendulum clocks.