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Laws Of Motion QUESTIONS AND ANSWERS

IIT JEE : Laws Of Motion QUESTIONS AND ANSWERS :: part2 : 26 to 30

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

26.A system is accelerated upward with an acceleration 5 g. The apparent weight of a body of mass m in the system is

mg N

5mg N

6mg N

8mg N

27.Two bodies of masses 6 kg are tied to the ends of a string which passes over a fixed pulley of the Atwoods machine. The total downward thrust on the pulley is nearly

5 * 9.8 N

6 * 9.8 N

7 * 9.8 N

8 * 9.8 N

28.An iron chain lies on a rough horizontal table. It starts sliding when one-fourth of its length hangs over the edge of the table. The coefficient of static friction between the chain and the surface of the table is

1/2

1/3

1/4

1/5

29.A man is pulling a rope attached to a block on a smooth horizontal table. The tension in the rope will be the same at all points:

if and only if the rope is not accelerated

if and only if the rope is massless

if either the rope is not accelerated or is massless

always

More Laws Of Motion QUESTIONS AND ANSWERS available in next pages