Prepare for NEET, IITJEE, Engineering and Medical Entrance Tests Practice Questions on Newton’s Laws of Motion and Friction

Physics > Newton's Laws of Motion and Friction
MCQ test series, practice questions with solutions for NEET, IITJEE, VITEEE, MBBS and BDS Entrance Exams, Engineering Entrance Exams; MBBS Admission Tests and other competitions.

Expected questions from some of these topics (Syllabus):

Force and Inertia; Law of Inertia; Newton’s First Law of Motion; Center of Mass; Momentum; Newton’s Second Law of Motion; Impulse; Newton’s Third Law of Motion; Law of Conservation of Linear Momentum and its applications; Variable Mass; Free Body Diagrams; Pulleys; Equilibrium of Concurrent Forces; Constraint Equations; Pseudo Force; Static and Kinetic Friction; Laws of Friction; Rolling Friction; Centripetal Force and its applications; Impulse; Collision

Physics: Newton’s Laws of Motion and Friction

Multiple Choice Questions (MCQs) – Set 1 (Q. No. 1 - 10)

Question 1: A particle is moving with a constant speed along a straight line path. A force is required to:

a. Increase its speed

b. Decrease the momentum

c. Change the direction

d. Keep it moving with uniform velocity

(1) a, b, c, d   (2) b, c, d   (3) a, b, c   (4) a, b, d

Question 2: Swimming is possible by

a. Newton’s laws of gravitation

b. Newton’s first law of motion

c. Newton’s second law of motion

d. Newton’s third law of motion

Question 3: The frictional force is –

a. Self-adjustable

b. Not self-adjustable

c. Scalar quantity

d. Equal to the limiting force

Question 4: When a body is stationary –

a. There is no force acting on it

b. The force acting on it not in contact with it

c. The combination of forces acting on it balances each other

d. The body is in vacuum

Question 5: A player caught a cricket ball of mass 150 g moving at a rate of 20 m/s. If the catching process is completed in 0.1 s, the force of the blow exerted by the ball on the hand of the player is equal to –

a. 150 N

b. 3 N

c. 30 N

d. 300 N

Question 6: Two blocks are converted over a massless pulley as shown in figure. The mass of block A is 10 kg and the coefficient of kinetic friction is 0.2. Block A slides down the incline at constant speed. The mass of block B in kg is:

a. 5.4

b. 3.3

c. 4.2

d. 6.8

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Question 7: A body of weight W₁ is suspended from the ceiling of a room through a chain of weight W₂. The ceiling pulls the chain by a force:

a. W₁

b. W₂

c. W₁ + W₂

d. W₁ + W₂/2

Question 8: Choose the correct statement –

a. Friction force always opposes the motion of the body

b. The direction of the force of friction always opposes the tendency of relative motion of a body

c. The coefficient of kinetic friction is usually greater than the coefficient of static friction

d. Friction force depends on the surface area of contact

Question 9: It is easier to pull a body than to push, because –

a. The coefficient of friction is more in pushing than that of pulling

b. The friction force is more in pushing than that in pulling

c. The body does not move forward when pushed

d. None of these

Question 10: A horizontal jet of water coming out of a pipe of area of cross-section 20 cm² hits a vertical wall with a velocity of 10 ms^-1 and rebounds with the same speed. The force exerted by water on the wall is –

a. 0.2 N

b. 10 N

c. 400 N

d. 200 N

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Newton's Laws of Motion and Friction - More Practice Questions / Solved Test Series

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