Cracking the SAT Physics Subject Test

(Marvins-Underground-K-12) #1

(B)


(C) T


(D) T


(E) 2T



  1. A simple pendulum of length L and mass m swings about the vertical
    equilibrium position (θ = 0) with a maximum angular displacement of θmax.


What is the tension in the connecting rod when the pendulum’s angular
displacement is θ = θmax?


(A) mg sinθmax
(B) mg cosθmax
(C) mgL sinθmax
(D) mgL cosθmax
(E) mgL(1 − cosθmax)
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