Laws of MotionMedium
Question
A man thanks about 4 arrangement as show to raise two small bricks each having mass m. Which of the arrangement would take minimum time ?
Options
A.

B.

C.

D.

Solution
(A) Pulling force on bricks = 2F
(B) Pulling force on bricks = F
(C) Pulling force on bricks = F
(D) Pulling force on bricks = F / 2
(B) Pulling force on bricks = F
(C) Pulling force on bricks = F
(D) Pulling force on bricks = F / 2
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