Pre-Laboratory Exercise #7: Simple Pendulum Name: David Trevine Section Day: MTWR Section Time: 2 PM 5 PM (Use g 9.80 m/s².) 1. What is the requirement for a force to produce simple harmonic motion? Answer: restoring not forse 2. A simple pendulum of length L-0.800 m has a mass M=0.250 kg. What is the period T of its motion? Answer: 3. The motion of a simple pendulum is described by the equation 0 = 20 cos(10r) where is in degrees and t is in seconds. a. What is the amplitude of the motion? Answer: b. What is the period of the motion? Answer: