Rotational Mechanics Name 53 the drawing to the right, the large pulley has a ra
ID: 1776267 • Letter: R
Question
Rotational Mechanics Name 53 the drawing to the right, the large pulley has a radius of, R -0.5 m, with an ched smaller pulley of radius, R:0.125 m. A mass M 2 kg box hangs from What value of Mi will prevent the wheel from rotating? the smaller pulley. (a) 56.0 kg (b) 0.5 kg (c) 1.0 kg (d) 16.0 kg (e) 2.0 kg 15. A pendulum of mass, M = 2.4 kg, & length, L = 0.36 m, has a moment of inertia of: | = 12 kg-mi, what is its period of oscillation? (a) 0.189 see (b) 8.905 see (c) 7.48 see (d) 1.19 see (e) 1.42 see 16. An object of mass, m -0.6 kg, is on a frictionless horizontal surface is attached to a spring with spring constant, k - 640 Nim. The mass is pulled, Ax = 0.05 m, from its equilibrium position & released from rest. How fast does it cross the centerline for: x = 0.0 m? x=0 (a) 1.63 ms (b) 0.40J (c) 0.80J (d) 7.3 mis (e) 2.67 m/sExplanation / Answer
14. for equilibrium,
net torque = 0
torque = (0.125 x 2g) - (0.5 M1 g) = 0
M1 = 0.125 x 2 / 0.5
M1 = 0.5 kg
Ans(C)
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