Question

A mass of 10 kg is suspended from a spring balance . It is pulled by aside by horizontal string so that it makes 60◦ with vertical . the new reading of spring balance in kgwt is
1.10√3
2. 20√3
3.20
4.10
Correct ans is 3. Plz exp.

Answer 1

the reason is that -a simple pendulum is not affected by its mass .we can say that if we take two balls of different mass but string and ang of Bob same then there is no difference in their oscillation.