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Laws of Motion

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Q. A block of mass 5 kg is resting on a frictionless surface. A force of 10 N is applied to it. What will be its acceleration? (2020)
  • A. 2 m/s²
  • B. 5 m/s²
  • C. 10 m/s²
  • D. 20 m/s²
Q. A block of mass 5 kg is resting on a frictionless surface. If a force of 15 N is applied, what will be its velocity after 3 seconds? (2022)
  • A. 3 m/s
  • B. 5 m/s
  • C. 9 m/s
  • D. 15 m/s
Q. A block of mass 5 kg is resting on a horizontal surface. If a horizontal force of 15 N is applied, what is the acceleration of the block? (Assume no friction) (2021)
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A block of mass 5 kg is sliding down a frictionless incline of angle 30°. What is the acceleration of the block? (2022)
  • A. 4.9 m/s²
  • B. 5 m/s²
  • C. 9.8 m/s²
  • D. 3.9 m/s²
Q. A car accelerates from rest at a constant rate of 2 m/s². How far does it travel in 5 seconds? (2021)
  • A. 10 m
  • B. 20 m
  • C. 25 m
  • D. 50 m
Q. A car accelerates from rest at a rate of 2 m/s². What is its speed after 5 seconds? (2023)
  • A. 5 m/s
  • B. 10 m/s
  • C. 15 m/s
  • D. 20 m/s
Q. A car accelerates from rest to a speed of 30 m/s in 10 seconds. What is the acceleration of the car? (2022)
  • A. 3 m/s²
  • B. 2 m/s²
  • C. 1 m/s²
  • D. 4 m/s²
Q. A cyclist accelerates at 3 m/s² for 4 seconds. What is the final velocity if the initial velocity is 2 m/s? (2023)
  • A. 10 m/s
  • B. 11 m/s
  • C. 14 m/s
  • D. 20 m/s
Q. A cyclist accelerates from rest to a speed of 10 m/s in 5 seconds. What is the acceleration? (2023)
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A cyclist accelerates from rest to a speed of 10 m/s in 5 seconds. What is the cyclist's acceleration? (2021)
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A cyclist of mass 70 kg accelerates at 2 m/s². What is the force exerted by the cyclist on the ground? (2021)
  • A. 70 N
  • B. 140 N
  • C. 210 N
  • D. 280 N
Q. A force of 15 N is applied to a 3 kg mass. What is the resulting acceleration? (2023)
  • A. 3 m/s²
  • B. 5 m/s²
  • C. 7 m/s²
  • D. 10 m/s²
Q. A force of 30 N is applied to a 6 kg object. What is the object's acceleration? (2023)
  • A. 3 m/s²
  • B. 4 m/s²
  • C. 5 m/s²
  • D. 6 m/s²
Q. An object is thrown vertically upwards with a velocity of 20 m/s. How high will it rise? (Assume g = 10 m/s²) (2020)
  • A. 20 m
  • B. 30 m
  • C. 40 m
  • D. 50 m
Q. An object moves with a constant velocity of 10 m/s. What is the net force acting on it? (2023)
  • A. 0 N
  • B. 10 N
  • C. 20 N
  • D. 100 N
Q. If a 10 kg object is dropped from a height of 20 m, what is the velocity just before it hits the ground? (Assume g = 10 m/s²) (2019)
  • A. 10 m/s
  • B. 20 m/s
  • C. 14 m/s
  • D. 15 m/s
Q. If a 2 kg object is dropped from a height, what is its velocity just before hitting the ground (g = 10 m/s²)? (2023)
  • A. 10 m/s
  • B. 20 m/s
  • C. 30 m/s
  • D. 40 m/s
Q. If a 2 kg object is dropped from a height, what is its velocity just before hitting the ground? (g = 9.8 m/s², h = 20 m) (2023)
  • A. 14 m/s
  • B. 19.6 m/s
  • C. 20 m/s
  • D. 28 m/s
Q. If a 3 kg object is subjected to a net force of 12 N, what is its acceleration? (2023)
  • A. 4 m/s²
  • B. 3 m/s²
  • C. 2 m/s²
  • D. 1 m/s²
Q. If a 5 kg object is moving with a velocity of 3 m/s, what is its momentum? (2023)
  • A. 5 kg·m/s
  • B. 10 kg·m/s
  • C. 15 kg·m/s
  • D. 20 kg·m/s
Q. If a 5 kg object is subjected to a net force of 20 N, what is its acceleration? (2023)
  • A. 2 m/s²
  • B. 4 m/s²
  • C. 5 m/s²
  • D. 10 m/s²
Q. If a force of 10 N is applied to a mass of 2 kg, what is the acceleration of the mass? (2020)
  • A. 2 m/s²
  • B. 5 m/s²
  • C. 10 m/s²
  • D. 20 m/s²
Q. If a force of 15 N is applied to a 3 kg object, what is the net force acting on the object if it is already moving with a velocity of 5 m/s? (2022)
  • A. 15 N
  • B. 3 N
  • C. 0 N
  • D. 18 N
Q. If a force of 15 N is applied to a mass of 3 kg, what is the acceleration of the mass? (2023)
  • A. 3 m/s²
  • B. 4 m/s²
  • C. 5 m/s²
  • D. 6 m/s²
Q. What is the net force acting on a 12 kg object moving with a constant velocity? (2023)
  • A. 0 N
  • B. 12 N
  • C. 24 N
  • D. 36 N
Q. What is the net force acting on a 15 kg object moving with a constant velocity? (2021)
  • A. 0 N
  • B. 15 N
  • C. 30 N
  • D. 45 N
Q. What is the net force acting on a 15 kg object that is accelerating at 4 m/s²? (2020)
  • A. 60 N
  • B. 30 N
  • C. 45 N
  • D. 75 N
Showing 31 to 57 of 57 (2 Pages)

Laws of Motion MCQ & Objective Questions

The "Laws of Motion" are fundamental principles that govern the movement of objects and are crucial for students preparing for school exams and competitive tests. Mastering these concepts not only enhances your understanding but also significantly boosts your performance in exams. Practicing MCQs and objective questions related to the Laws of Motion helps in identifying important questions and solidifying your exam preparation.

What You Will Practise Here

  • Newton's Three Laws of Motion: Definitions and applications
  • Key formulas related to force, mass, and acceleration
  • Concept of inertia and its implications in real-life scenarios
  • Understanding friction and its types
  • Applications of Laws of Motion in various problems
  • Free-body diagrams and their significance in problem-solving
  • Common numerical problems based on Laws of Motion

Exam Relevance

The Laws of Motion are a vital topic in the curriculum for CBSE, State Boards, NEET, and JEE. Students can expect questions ranging from theoretical concepts to numerical problems based on these laws. Common question patterns include direct application of formulas, conceptual understanding, and problem-solving using free-body diagrams. Familiarity with these patterns can significantly enhance your chances of scoring well.

Common Mistakes Students Make

  • Confusing the concepts of mass and weight
  • Misapplying Newton's laws in different scenarios
  • Overlooking the role of friction in motion problems
  • Neglecting to draw free-body diagrams for clarity
  • Failing to convert units correctly in numerical problems

FAQs

Question: What are Newton's three laws of motion?
Answer: Newton's three laws of motion describe the relationship between the motion of an object and the forces acting on it, including inertia, acceleration, and action-reaction pairs.

Question: How can I effectively prepare for Laws of Motion questions in exams?
Answer: Regular practice of MCQs, understanding key concepts, and solving numerical problems will help you prepare effectively for Laws of Motion questions.

Question: Are there any specific formulas I should memorize for this topic?
Answer: Yes, key formulas related to force (F = ma), acceleration, and the laws themselves are essential for solving problems accurately.

Start your journey towards mastering the Laws of Motion today! Solve practice MCQs to test your understanding and build confidence for your upcoming exams.

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