A grandfather clock keeps time using a pendulum. Which will be true of the clock if the pendulum is shortened? Question 10 options:
It will run slow.
It will run fast.
It will keep the same time.
It will depend on the bob’s mass.

Respuesta :

Answer: The period of the pendulum is shorter if the pendulum itself is shortened.

Explanation: i did  "It will depend on the bob’s mass". and got it wrong so it's not that one haha