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Laws of Motion

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Q. A 1 kg ball is dropped from a height of 20 m. What is its velocity just before it hits the ground? (g = 10 m/s²) (2021)
  • A. 10 m/s
  • B. 20 m/s
  • C. 15 m/s
  • D. 5 m/s
Q. A 1 kg ball is thrown horizontally from a height of 5 m. How long does it take to hit the ground? (g = 10 m/s²) (2022)
  • A. 1 s
  • B. 2 s
  • C. 3 s
  • D. 4 s
Q. A 1 kg ball is thrown vertically upwards with a velocity of 20 m/s. What is the maximum height it reaches? (g = 10 m/s²) (2021)
  • A. 20 m
  • B. 30 m
  • C. 40 m
  • D. 10 m
Q. A 1 kg object is dropped from a height. What is its velocity just before it hits the ground (neglect air resistance)? (2020)
  • A. 10 m/s
  • B. 14 m/s
  • C. 20 m/s
  • D. 30 m/s
Q. A 10 kg block is pushed with a force of 50 N. What is its acceleration? (2023)
  • A. 2 m/s²
  • B. 5 m/s²
  • C. 10 m/s²
  • D. 15 m/s²
Q. A 10 kg object is at rest. A force of 30 N is applied. What is the final velocity after 3 seconds? (2023)
  • A. 3 m/s
  • B. 6 m/s
  • C. 9 m/s
  • D. 12 m/s
Q. A 10 kg object is subjected to a net force of 30 N. What is its acceleration? (2022)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 10 kg object is thrown vertically upward with a speed of 20 m/s. What is the maximum height reached by the object? (g = 10 m/s²) (2020)
  • A. 20 m
  • B. 30 m
  • C. 40 m
  • D. 50 m
Q. A 10 kg object is thrown vertically upwards with a velocity of 20 m/s. What is the maximum height it reaches? (g = 10 m/s²) (2023)
  • A. 20 m
  • B. 40 m
  • C. 30 m
  • D. 10 m
Q. A 12 kg object is pushed with a force of 36 N. What is its acceleration? (2023)
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A 15 kg box is pulled with a force of 60 N at an angle of 30° to the horizontal. What is the horizontal component of the force? (2022)
  • A. 30 N
  • B. 60 N
  • C. 51.96 N
  • D. 15 N
Q. A 15 kg object is dropped from a height. What is the force acting on it due to gravity? (2023)
  • A. 15 N
  • B. 30 N
  • C. 45 N
  • D. 150 N
Q. A 15 kg object is moving with a velocity of 4 m/s. What is its momentum? (2019)
  • A. 60 kg m/s
  • B. 30 kg m/s
  • C. 45 kg m/s
  • D. 75 kg m/s
Q. A 2 kg ball is thrown vertically upwards with a velocity of 20 m/s. What is the maximum height reached? (2020)
  • A. 20 m
  • B. 40 m
  • C. 10 m
  • D. 30 m
Q. A 2 kg object is subjected to a net force of 8 N. What is its acceleration? (2020)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 20 kg cart is pulled with a force of 80 N. What is the acceleration of the cart? (2023)
  • A. 2 m/s²
  • B. 4 m/s²
  • C. 6 m/s²
  • D. 8 m/s²
Q. A 25 kg object is acted upon by a force of 100 N. What is its acceleration? (2023)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 4 kg block is pulled with a force of 20 N. What is the acceleration of the block? (2020)
  • A. 5 m/s²
  • B. 4 m/s²
  • C. 3 m/s²
  • D. 2 m/s²
Q. A 4 kg object is moving with a velocity of 5 m/s. What is its kinetic energy? (2021)
  • A. 10 J
  • B. 20 J
  • C. 50 J
  • D. 100 J
Q. A 50 kg crate is pushed with a force of 200 N. If the frictional force is 50 N, what is the acceleration? (2022)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 50 kg crate is pushed with a force of 200 N. If the frictional force is 50 N, what is the acceleration of the crate? (2022)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 50 kg crate is pushed with a force of 200 N. What is the acceleration of the crate? (Assume no friction) (2021)
  • A. 2 m/s²
  • B. 4 m/s²
  • C. 5 m/s²
  • D. 10 m/s²
Q. A 50 kg object is dropped from a height of 20 m. What is the speed just before it hits the ground? (g = 10 m/s²) (2020)
  • A. 10 m/s
  • B. 20 m/s
  • C. 30 m/s
  • D. 40 m/s
Q. A 50 kg object is moving with a velocity of 5 m/s. What is its momentum? (2023)
  • A. 100 kg·m/s
  • B. 150 kg·m/s
  • C. 200 kg·m/s
  • D. 250 kg·m/s
Q. A 50 kg object is pulled with a force of 200 N. What is its acceleration? (2023)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 50 kg object is pushed with a force of 200 N. What is the frictional force if the object moves with constant velocity? (2023)
  • A. 0 N
  • B. 50 N
  • C. 200 N
  • D. 100 N
Q. A ball is thrown horizontally from a height of 20 m. How long does it take to hit the ground? (2019)
  • A. 1 s
  • B. 2 s
  • C. 3 s
  • D. 4 s
Q. A ball is thrown upwards with a velocity of 20 m/s. How high will it go before coming to rest? (2023)
  • A. 10 m
  • B. 20 m
  • C. 30 m
  • D. 40 m
Q. A ball is thrown vertically upwards with a speed of 20 m/s. How high will it go? (g = 10 m/s²) (2023)
  • A. 10 m
  • B. 20 m
  • C. 30 m
  • D. 40 m
Q. A block of mass 5 kg is pulled on a horizontal surface with a force of 20 N. If the frictional force is 5 N, what is the acceleration of the block? (2020)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Showing 1 to 30 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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