Solve the Problem. -The Force Acting on a Pendulum to Bring It to Bring

question 160

Multiple Choice

Solve the problem.
-The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula
F = mg sinθ
Where m is the mass in kilograms of the pendulum's bob, g =9.8 meters per second per second is the acceleration
Due to gravity, and θ is angle at which the pendulum is displaced from the perpendicular. What is the value of
The restoring force when m = 0.7 kilogram and θ = 45°? If necessary, round the answer to the nearest tenth of a
Newton.

• A) 4.7 N
• B) 4.6 N
• C) 5.8 N
• D) 4.9 N

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