Question

The pen on a seismograph swings freely.

Answer 1

The given statement is False.

The seismography is the technique that is used to know the intensity of the earthquake by which it occurs.

The pen is stationary and it does not swings freely. The pen is stationary until an earthquake occurs.

The pen starts moving when the earthquake occurs and it moves according to the way the ground moves by the effect of the earthquake.

Answer 2

The answer is false
hope this helps :)