The machine as shown has 2 rods of length 1 m connected by a pivot at the top. The end of one rod is connected to the floor by a stationary pivot and the end of the other rod has a roller that rolls along the floor in a slot. As the roller goes back and forth, a 2 kg weight moves up and down. |
If the roller is moving towards right at a constant speed, the weight moves up with a - [JEE Online 09-04-2017] |
A) speed which is \[\frac{3}{4}th\] of that of the roller when the weight is 0.4 m above the ground
B) constant speed
C) decreasing speed
D) increasing speed
Correct Answer: C
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