A rod of length $L$ leans against a smooth vertical wall while its other end is on a smooth floor. The end that leans against the wall moves uniformly vertically downward. Select the correct alternative
A rod of length $L$ leans against a smooth vertical wall while its other end is on a smooth floor. The end that leans against the wall moves uniformly vertically downward. Select the correct alternative
- A
The speed of lower end increases at a constant rate
- B
The speed of the lower end decreases but never becomes zero
- C
The speed of the lower end gets smaller and smaller and vanishes when the upper end touches the ground
- D
The speed of the lower end remain constant till upper end touches the ground
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Acceleration of system is :-
Acceleration of system is :-