Questions
In the figure acceleration of A is 1 upwards, acceleration of B is 7 upwards and acceleration of C is 2 upwards. The acceleration of D will be
detailed solution
Correct option is C
Acceleration of pulley PaP = aA+aB2 = 1+72= 4 m/s2 (upward)Acceleration pulley Q will be 4 m/s2 (upward)aQ =aD-aC24 = aD-22 ⇒ aD = 10 m/s2(↓)Talk to our academic expert!
Similar Questions
Two masses of I kg and 5 kg are attached to the ends of a massless string passing over a pulley of negligible weight. The pulley itself is attached to a light spring balance as shown in figure. The masses start moving during this interval; the reading of spring balance will be:
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