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# Class XI Physics Laws of Motion Quiz 3

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Question 1

A truck starting from rest moves with an acceleration of 5 m/s2 for 1 sec and then moves with constant velocity. The velocity with respect to ground v/s time graph for block in truck is (Assume that block does not fall of the truck) Question 2

A board is balanced on a rough horizontal semi-circular log. Equilibrium is obtained with the help of addition of a weight to one of the ends of the board when the board makes an angle θ with the horizontal. Coefficient of friction between the log and the board is Question 3

A stationary body of mass m is slowly lowered onto a massive platform of mass M (M ≫ m) moving at a speed V0 = 4 m/s as shown in fig. How far (in m) will the body slide along the platform (μ = 0.2 and g = 10 m/s2)? Question 4

In the figure shown the velocity of different blocks is shown. The velocity of C is Question 5

If block A has a velocity of 0.6 m/s to the right, determine the velocity of block B Question 6

Find velocity of block 'B' at the instant shown in figure. Question 7

Find the acceleration of C with respect to ground. Question 8

Find the acceleration of B • 286 attempts Member since Feb 2017 GradeStack Learning Pvt. Ltd.Windsor IT Park, Tower - A, 2nd Floor, Sector 125, Noida, Uttar Pradesh 201303 help@byjusexamprep.com