Newton’s Laws of Motion and Friction - Objective questions answers | Test series with solutions

Physics objective questions answers, MCQ Test Series with solutions for NEET, AIPMT, IIT JEE, other Medical and Engineering Entrance Exams; Admission Tests.

Physics Objective Questions with Solutions | Newton’s Laws of Motion and Friction (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

Newton’s Laws of Motion and Friction

Solved Multiple Choice Questions Test Series (MCQ) – Set 3 (Q. No 21-30)

Question 21: Two weights W₁ and W₂ are suspended from the ends of a light string passing over a smooth fixed pulley. If the pulley is pulled up at an acceleration g. The tension in the string will be:

Question 22: A body of mass 3 kg hits a wall at an angle of 60⁰ and with speed of 10 m/s and returns at the same angle. The impact time is 0.2 sec. Calculate force exerted on the wall:

a. 150√3 N 

b. 100 N

c. 50√3 N

d. 75√3 N

Question 23: Ten coins each of mass 10 gm are placed one above the other. The reaction force exerted by 7^th coin from the bottom on the 8^th coin is –

a. 0.3 N

b. 0.2 N

c. 0.4 N

d. 0.7 N

Question 24: Consider the situation shown in fig. The wall is smooth but the surface of A and B in contact are rough. The friction on B due to A in equilibrium – 

a. Is upward

b. Is downward

c. Is zero

d. The system cannot remain in equilibrium

Question 25: A particle moves in the xy plane under the action of a force F such that the value of its linear momentum (P) at any time t is, P_x = 2 cos t, P_y = 2 sin t. The angle θ between P and F at that time t will be:

a. 0⁰

b. 30⁰

c. 90⁰

d. 180⁰

Post continues after the Ad -

Question 26: A rocket of mass 6000 kg is set for vertical firing. If the exhaust speed is 1000m/sec. The rate of mass of gas ejected to supply a thrust needed to give the rocket an initial upward acceleration of 20.2 m/s² is –

a. 150 kg/sec

b. 160 kg/sec

c. 28 kg/sec

d. 180 kg/sec

Question 27: If the coefficient of friction of a surface is √3, then the angle of inclination of the plane to make a body on it just to slide, is –

a. 30⁰

b. 45⁰

c. 60⁰

d. 750⁰

Question 28: In the shown in the figure, the pulley has a mass 3m. Neglecting friction on the contact surface, the force exerted by the supporting rope AB on the ceiling is:

a. 6 mg      

b. 3 mg

c. 4 mg

d. None of the above

Question 29: Two bodies of masses 4 kg and 16 kg at rest to act upon by same force. The ratio of times required to attain the same speed is –

a. 1: 1

b. 4: 1

c. 1: 4

d. 1: 2

Question 30: Two masses A and B 0f 10 kg and 5 kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown in the figure. The coefficient of friction of A with the table is 0.2. The minimum mass of C that may be placed on A to prevent it from moving is equal to:

a. 15 kg

b. 10 kg

c. 5 kg

d. 20 kg

View/ Download Answers, Hints

 Newton's Laws of Motion, Friction - More Practice Questions  

<<Prev (Q.No 11 - 20)                                (Q.No 31-40) Next>>

• NEET, IITJEE, AIPMT, VITEEE, Engineering and Medical Entrance Tests Practice Questions on Newton’s Laws of Motion and Friction
• Physics solved objective questions, test series: Newton’s Laws of Motion and Friction

 Recent Posts

BIOLOGY

• Biology Objective Questions Test Series with Solutions: Reproduction in Organisms 
• Free Online Practice Questions with Solutions for NEET, AIPMT, Medical Entrance Exams and MBBS Admission Tests: Diversity in The Living World, Biological Classification 
• Animal Kingdom - Classification of Animals: Biology Questions and Answers for all Medical and Dental Entrance Exams, MBBS Admission Tests and other Competitions
• Free Online Preparation - Plant Kingdom and Classification of Plants: Biology MCQs for AIPMT and other Medical Entrance Exams, MBBS Admission Tests
• Human Reproduction, Reproductive Health - Biology Online Test Series for AIPMT, NEET, WBJEE, AFMC, OJEE, EAMCET, JIPMER, KIITJEE, COMEDK, BHU PMT, MBBS Entrance Tests 
• Genetics and Evolution - short answer questions
• Genetics and Evolution - long answer questions
• Biology Objective Very Short Answer Type Questions - Breathing and Respiration, Exchange of Gases and More

CHEMISTRY

• States of Matter - Chemistry Online Test Series for IITJEE, COMEDK, WB Joint Entrance, VIT, EAMCET, AIPMT, NEET, AIEEE, BITSAT, AFMC, OJEE, Bihar PMT, KIIT, BHU PMT
• Chemistry Objective Test Questions with Solutions: Chemical Bonding and Molecular Structure 
• Structure of Atoms: Chemistry MCQ practice questions with solutions for MBBS Admission Tests, Engineering Entrance Exams, IITJEE, NEET, NAT, IIST (ISAT) and other competitive examinations
• Hydrogen and its Compounds: Chemistry questions with solutions for IITJEE, NEET, AIPMT, KIITEE, VITEEE, WBJEE 
• Classification of Elements, Periodic Table, Periodicity in Properties - MCQ Test Series for all Medical, Engineering Entrance Exams and Admission Tests

PHYSICS

• Physics MCQ Test Series with Solutions for NEET, IITJEE, BTech, MBBS and BDS Entrance Exams - Units, Dimensions, Measurements and Error Analysis
• Projectile Motion - Physics Online Test Series for AIPMT, NEET, IITJEE, AIEEE, WBJEE, NAT, BITSAT, AFMC, OJEE, Bihar PMT, KIITEE, COMEDK, VITEEE, UPCAT, EAMCET, JIPMER, BHU PMT  
• Circular and Rotational Motions: Physics Practice Questions and MCQ Test Series for IITJEE, AIPMT, AIEEE, WBJEE, NAT, BITSAT, AFMC, KEAM, OJEE, Bihar PMT, KIITEE, COMEDK, UPCAT, JIPMER, BHU PMT and Joint Entrance Exams  

• Free online Physics MCQ test series for IITJEE, NEET, AIPMT, Engineering and Medical Joint Entrance Exams - GRAVITATION