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Laws of Motion

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Q. A 15 kg cart is pushed with a force of 60 N. If the frictional force opposing the motion is 15 N, what is the acceleration of the cart?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 15 kg object is at rest on a horizontal surface. What is the normal force acting on it?
  • A. 0 N
  • B. 15 N
  • C. 150 N
  • D. 75 N
Q. A 15 kg object is at rest on a table. What is the force exerted by the table on the object?
  • A. 0 N
  • B. 15 N
  • C. 150 N
  • D. 10 N
Q. A 15 kg object is in equilibrium. What is the net force acting on it?
  • A. 0 N
  • B. 15 N
  • C. 30 N
  • D. 45 N
Q. A 15 kg object is pushed with a force of 45 N. What is the acceleration of the object?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 15 kg object is subjected to a net force of 45 N. What is its acceleration?
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A 2 kg block is sliding down a frictionless incline of 30 degrees. What is the acceleration of the block?
  • A. 4.9 m/s²
  • B. 9.8 m/s²
  • C. 3.9 m/s²
  • D. 1.96 m/s²
Q. A 2 kg block is sliding on a frictionless surface. If a force of 6 N is applied, what is its acceleration?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 6 m/s²
Q. A 2 kg object is in free fall. What is the net force acting on it?
  • A. 0 N
  • B. 2 N
  • C. 20 N
  • D. 19.6 N
Q. A 2 kg object is moving with a velocity of 5 m/s. If it collides elastically with a stationary object of mass 3 kg, what will be the final velocity of the 2 kg object?
  • A. 1 m/s
  • B. 2 m/s
  • C. 3 m/s
  • D. 4 m/s
Q. A 2 kg object is pulled with a force of 8 N. What is the acceleration of the object?
  • A. 2 m/s²
  • B. 4 m/s²
  • C. 6 m/s²
  • D. 8 m/s²
Q. A 2 kg object is sliding on a frictionless surface with a velocity of 4 m/s. What is the momentum of the object?
  • A. 8 kg·m/s
  • B. 2 kg·m/s
  • C. 4 kg·m/s
  • D. 16 kg·m/s
Q. A 2 kg object is sliding on a frictionless surface with a velocity of 5 m/s. What is the momentum of the object?
  • A. 10 kg·m/s
  • B. 5 kg·m/s
  • C. 2 kg·m/s
  • D. 1 kg·m/s
Q. A 20 kg object is dropped from a height. What is the force acting on it just before it hits the ground?
  • A. 0 N
  • B. 20 N
  • C. 200 N
  • D. 10 N
Q. A 20 kg object is pulled with a force of 100 N. If the frictional force is 40 N, what is the acceleration of the object?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 25 kg object is pulled with a force of 100 N. What is the acceleration of the object?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 25 kg object is pushed with a force of 100 N. If the frictional force is 25 N, what is the acceleration of the object?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 25 kg object is subjected to a force of 50 N. What is its acceleration?
  • A. 1 m/s²
  • B. 2 m/s²
  • C. 3 m/s²
  • D. 4 m/s²
Q. A 3 kg block is at rest on a horizontal surface. If a horizontal force of 12 N is applied, what is the block's acceleration assuming no friction?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 3 kg block is on a table and a horizontal force of 15 N is applied. If the frictional force is 5 N, what is the acceleration of the block?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 5 m/s²
  • D. 10 m/s²
Q. A 3 kg block is pulled with a force of 12 N. If the frictional force is 3 N, what is the acceleration of the block?
  • A. 3 m/s²
  • B. 4 m/s²
  • C. 2 m/s²
  • D. 1 m/s²
Q. A 3 kg block is sliding down a frictionless incline of 30 degrees. What is the acceleration of the block?
  • A. 3.9 m/s²
  • B. 4.9 m/s²
  • C. 9.8 m/s²
  • D. 1.5 m/s²
Q. A 3 kg block is sliding on a frictionless surface with a velocity of 4 m/s. What is the momentum of the block?
  • A. 12 kg·m/s
  • B. 8 kg·m/s
  • C. 6 kg·m/s
  • D. 4 kg·m/s
Q. A 3 kg mass is attached to a spring with a spring constant of 200 N/m. What is the maximum force exerted by the spring when stretched?
  • A. 100 N
  • B. 200 N
  • C. 300 N
  • D. 600 N
Q. A 3 kg object is at rest on a frictionless surface. A force of 9 N is applied. What is the final velocity after 3 seconds?
  • A. 1 m/s
  • B. 2 m/s
  • C. 3 m/s
  • D. 4 m/s
Q. A 3 kg object is at rest on a frictionless surface. If a force of 9 N is applied, what will be its velocity after 3 seconds?
  • A. 3 m/s
  • B. 6 m/s
  • C. 9 m/s
  • D. 12 m/s
Q. A 3 kg object is at rest on a horizontal surface. If a force of 12 N is applied, what is the object's acceleration? (Assume no friction)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 3 kg object is at rest on a horizontal surface. If a horizontal force of 12 N is applied, what is the object's acceleration?
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. A 3 kg object is at rest on a table. If a force of 15 N is applied horizontally, what is the object's acceleration?
  • A. 5 m/s²
  • B. 10 m/s²
  • C. 15 m/s²
  • D. 20 m/s²
Q. A 3 kg object is at rest on a table. If a horizontal force of 12 N is applied, what is the acceleration of the object?
  • A. 4 m/s²
  • B. 0 m/s²
  • C. 3 m/s²
  • D. 12 m/s²
Showing 31 to 60 of 294 (10 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 various exams. Understanding these laws not only enhances conceptual clarity but also boosts your performance in objective questions and MCQs. Practicing Laws of Motion MCQ questions helps you identify important questions and solidify your exam preparation, ensuring you are well-equipped to tackle any challenge that comes your way.

What You Will Practise Here

  • Newton's Three Laws of Motion: Definitions and applications
  • Key concepts of inertia, force, and mass
  • Formulas related to motion, including F=ma
  • Understanding friction and its effects on motion
  • Diagrams illustrating motion and forces
  • Real-life applications of Laws of Motion
  • Common numerical problems and their solutions

Exam Relevance

The Laws of Motion are a significant part of the syllabus for CBSE, State Boards, NEET, and JEE examinations. Questions related to this topic often appear in various formats, including direct application of formulas, conceptual understanding, and problem-solving scenarios. Students can expect to encounter both theoretical questions and numerical problems, making it essential to be well-prepared with practice questions.

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
  • Ignoring units and dimensions in calculations

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. They are: 1) An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force. 2) The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. 3) For every action, there is an equal and opposite reaction.

Question: How can I improve my understanding of Laws of Motion for exams?
Answer: Regular practice of MCQs and objective questions, along with a thorough review of concepts and formulas, will significantly enhance your understanding and retention of the Laws of Motion.

Don't miss the chance to excel! Start solving practice MCQs on the Laws of Motion today and test your understanding to achieve your academic goals.

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