JEE Physics Laws Of Motion MCQs Set B

Refer to JEE Physics Laws Of Motion MCQs Set B provided below available for download in Pdf. The MCQ Questions for Full Syllabus Physics with answers are aligned as per the latest syllabus and exam pattern suggested by JEE (Main), NCERT and KVS. Laws Of Motion Full Syllabus MCQ are an important part of exams for Full Syllabus Physics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Physics and also download more latest study material for all subjects

MCQ for Full Syllabus Physics Laws Of Motion

Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Laws Of Motion in Full Syllabus.

Laws Of Motion MCQ Questions Full Syllabus Physics with Answers

 

 

Question: A car is moving on a horizontal circular track of radius 0.2 km with a constant speed. If coefficient of friction between tyres of car and road is 0.45, then speed of car may be [Take g = 10 m/s2]

  • a) 30 m/s
  • b) 15 m/s
  • c) 20 m/s
  • d) 40 m/s

Answer: 30 m/s

 

Question: A boy is sitting on the horizontal platform of a joy wheel at a distance of 5 m from the center. The wheel begins to rotate and when the angular speed exceeds 1 rad/s, the boy just slips. The coefficient of friction between the boy and the wheel is (g = 10 m/s2)

  • a) 0.5
  • b) 0.32
  • c) 0.71
  • d) 0.2

Answer: 0.5

 

Question:

  • a) Maximum at B
  • b) Same at A, B and C
  • c) Maximum at C
  • d) Maximum at A

Answer: Maximum at B

 

Question: A train is running at 20 m/s on a railway line with radius of curvature 40,000 metres. The distance between the two rails is 1.5 metres. For safe running of train the elevation of outer rail over the inner rail is (g = 10 m/s2)

  • a) 1.50 mm
  • b) 1.25 mm
  • c) 1.75 mm
  • d) 2.0 mm

Answer: 1.50 mm

 

Question: A car is moving on a horizontal circular road of radius 0.1 km with constant speed. If coefficient of friction between tyres of car and road is 0.4, then speed of car may be (g = 10 m/s2)

  • a) All of these
  • b) 20 m/s
  • c) 10 m/s
  • d) 5 m/s

Answer: All of these

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: A bomb of mass 9 kg explodes into two pieces of masses 3 kg and 6 kg. The velocity of mass 3 kg is 16 m/s. The kinetic energy of mass 6 kg in joule is

  • a) 192
  • b) 620
  • c) 320
  • d) 196

Answer: 192

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 1.0 m/s2
  • b) 1.47 m/s2
  • c) 1.52 m/s2
  • d) 6.1 m/s2

Answer: 1.0 m/s2

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b) 6 s
  • c) 8 s
  • d) Can never obtain

Answer:

 

Question:

  • a) Maximum value of static frictional force decreases
  • b) Static frictional force acting on the block increases
  • c) The magnitude of normal reaction on block increases
  • d) All of these

Answer: Maximum value of static frictional force decreases

 

Question:

  • a) 2 N, 4 N
  • b) 3 N, 6 N
  • c) 1 N, 2 N
  • d) 4 N, 8 N

Answer: 2 N, 4 N

 

Question: A 6000 kg rocket is set for firing. If the exhaust speed is 1000 m/s, how much gas must be ejected each second to supply the thrust needed to overcome the weight of the rocket?

  • a) 60 kg
  • b) 50 kg
  • c) 40 kg
  • d) 30 kg

Answer: 60 kg

 

Question: Which of the following is self adjusting force?

  • a) Static friction
  • b) Limiting friction
  • c) Dynamic friction
  • d) Sliding friction

Answer: Static friction

 

Question: An open carriage in a goods train is moving with a uniform velocity of 10 m/s. If the rain adds water with zero velocity at the rate of 5 kg/s, then the additional force required by the engine to maintain the same velocity of the train is

  • a) 50 N
  • b) Zero
  • c) 20 N
  • d) 0.5 N

Answer: 50 N

 

More Questions........................................

 

Question:

  • a) 38 N
  • b) 48 N
  • c) 28 N
  • d) 18 N

Answer: 38 N

 

Question:

  • a) 2 N
  • b) 1 N
  • c) 3 N
  • d) 5 N

Answer: 2 N

 

Question:

  • a) Zero
  • b) g
  • c)

  • d)

Answer: Zero

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 5 m/s2
  • b) 6 m/s2
  • c) 8 m/s2
  • d) 2 m/s2

Answer: 5 m/s2

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: A car accelerates on a horizontal road due to force exerted by

  • a) The road
  • b) The driver of the car
  • c) The engine of the car
  • d) The earth as weight of the car

Answer: The road

 

Question:

  • a) Only (b)
  • b) Both (a) & (b)
  • c) Both (a) & (c)
  • d) Both (b) & (c)

Answer: Only (b)

 

Question: The acceleration vector of a particle in uniform circular motion averaged over the cycle is a null vector. This statement is

  • a) True
  • b) False
  • c) May be true
  • d) May be false

Answer: True

 

Question:

  • a) Both (1) & (2)
  • b) If F = 0 blocks cannot remain stationary
  • c) For one unique value of F, blocks will be stationary
  • d) None of this

Answer: Both (1) & (2)

 

Question: What is the acceleration of 3 kg mass when acceleration of 2 kg mass is 2 m/s2 as shown?

  • a) 2 m/s2
  • b) 3 m/s2
  • c) 0.5 m/s0
  • d) 0

Answer: 2 m/s2

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: A monkey of mass 40 kg climbs up a rope, of breaking load 600 N hanging from a ceiling. If it climbs up the rope with the maximum possible acceleration, then the time taken by monkey to climb up is [Length of rope is 10 m]

  • a) 2 s
  • b) 1 s
  • c) 4 s
  • d) 3 s

Answer: 2 s

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 89.7 N
  • b) 162.6 N
  • c) 42.7 N
  • d) 95.2 N

Answer: 89.7 N

 

Question:

  • a) 2 m/s
  • b) 7.2 m/s
  • c) 5 m/s
  • d) 9.5 m/s

Answer: 2 m/s

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) 0.1 N
  • b) 2 N
  • c) 0.5 N
  • d) 5 N

Answer: 0.1 N

 

Question:

  • a) Zero
  • b) 50 N
  • c)

  • d)

Answer: Zero

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a) (–4 m, 8 m)
  • b) (–2 m, –6 m)
  • c) (3 m, 6 m)
  • d) (2 m, –3 m)

Answer: (–4 m, 8 m)

 

Question:

  • a)

  • b)

  • c)

  • d) None of this

Answer: