The pendulum strikes faster than a normal pendulum. To bring it to a normal rhythm, the length of the pendulum must be
A. reduced and bob mass increased
B. reduced and bob weight reduced
C. increase
D. is reduced
Answer:D
The pendulum strikes faster than a normal pendulum. To bring it to a normal rhythm, the length of the pendulum must be
A. reduced and bob mass increased B. reduced and bob weight reduced C. increase D. is reduced