Laws of MotionHard
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
Create a free account to view solution
View Solution FreeMore Laws of Motion Questions
A test tube is filled with water and end closed. It contains a small steel ball and an air bubble. The test tube is rota...Two masses are connected by a string which passes over a pulley accelerating upward at a rate A as shown. If a1 and a2 b...A block of mass 2kg is placed on the floor. The coefficient of static friction is 0.4. Force of 2.8N is applied on the b...Two blocks of masses M1 and M2 are connected to each other through a light spring as shown in figure. If we push mass M1...A machine-gun fires a bullet of masses 40 gm with velocity 1,200 m/s. The man holding it can exert a maximum force of 14...