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. Multiple Choice Questions for Laws Of Motion 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:
Question: A car of mass 1000 kg negotiates a banked curve of radius 90 m on a fictionless road. If the banking angle is 45º, the speed of the car is
- a) 30 ms–1
- b) 20 ms–1
- c) 10 ms–1
- d) 5 ms–1
Answer: 30 ms–1
Question: A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100% more than the previous height, the momentum when it hits the ground will change by
- a) 41%
- b) 68%
- c) 200%
- d) 100%
Answer: 41%
Question:
- a)
- b)
- c)
- d)
Answer:
Question: A person of mass 60 kg is inside a lift of mass 940 kg and presses the button one control panel. The lift starts moving upwards with an acceleration 1.0 m/s2. If g = 10 ms–2, the tension in the supporting cable is
- a) 11000 N
- b) 9680 N
- c) 8600 N
- d) 1200 N
Answer: 11000 N
Question: A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is
- a) 2 MV
- b) 1.5 MV
- c) MV
- d) Zero
Answer: 2 MV
Question:
- a) 0.4 m
- b) Zero
- c) 1.2 m
- d) 0.6 m
Answer: 0.4 m
Question: An object is moving on a plane surface uniform velocity 10 ms–1 in presence of a force 10 N. The frictional force between the object and the surface is
- a) –10 N
- b) 1 N
- c) 10 N
- d) 100 N
Answer: –10 N
Question:
- a)
- b)
- c)
- d) None of these
Answer:
Question: In non-inertial frame, the second law of motion is written as
- a)
- b)
- c) F = 2ma
- d) F = ma
Answer:
Question: A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth surface and fires 10 shots horizontally, in 5 s. Each bullet has a mass of 10 g with a muzzle velocity of 800 ms–1. The final velocity acquired by the person and the average force exerted on the person are
- a) –0.08 ms–1; 16 N
- b) –1.6 ms–1; 8 N
- c) –0.8 ms–1; 8 N
- d) –1.6 ms–1; 16 N
Answer: –0.08 ms–1; 16 N
Question: Sand is being dropped on a conveyor belt at the rate of M kg/s. The force necessary to keep the belt moving with a constant velocity of V m/s will be
- a) MV newton
- b) Zero
- c) 2 MV newton
- d) None of this
Answer: MV newton
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MCQs for Laws Of Motion Physics Full Syllabus
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