Question

1. Grandfather clocks are decorative clocks with a pendulum measuring out the passing of a second. How long of a pendulum is needed to have a period of 1 second?

2.if you take a simple pendulum to moon and venus, how its time period will be affected if its lenght is 80 cm?

Answer 1

(1) period of pendulum T = 1 s;

expression for time period is given as;

square both the sides and re-arrange the equartion as;

(2) length of the pendulum L = 0.8 m;

gravity on moon and venus are given as;

time period on moon and venus;