Question

(a)Balance wheel is a part of

i) Pendulum clock ii) table clock iii) wrist watch

iv) both wrist watch & table clock​

Answer 1

Explanation:

timekeeping device used in mechanical watches and small clocks, analogous to the pendulum in a pendulum clock. It is a weighted wheel that rotates back and forth, being returned toward its center position by a spiral torsion spring, known as the balance spring or hairspring.

Answer 2

Answer:

iv

Explanation:

both wrist watch and clock