Physics Exam > Physics Videos > Basic Physics for IIT JAM > Problems on Newton's Law Of Motion (Part-2)
Problems on Newton's Law Of Motion (Part-2) Video Lecture | Basic Physics for IIT JAM
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FAQs on Problems on Newton's Law Of Motion (Part-2) Video Lecture - Basic Physics for IIT JAM
| 1. What is Newton's second law of motion? |  |
Ans. Newton's second law of motion states that the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass. It can be mathematically expressed as F = ma, where F is the net force, m is the mass of the object, and a is the acceleration.
| 2. How does Newton's third law of motion apply to everyday situations? | |
Ans. Newton's third law of motion states that for every action, there is an equal and opposite reaction. This law can be observed in everyday situations, such as when we walk. As we push against the ground with our feet (action), the ground pushes back with an equal force (reaction), propelling us forward.
| 3. Can you explain the concept of inertia related to Newton's first law of motion? | |
Ans. Inertia is the resistance of an object to changes in its motion. According to Newton's first law of motion, an object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and direction unless acted upon by an external force. Inertia is the reason why we feel a backward force when a vehicle suddenly accelerates or stops.
| 4. How is weight different from mass in the context of Newton's laws? | |
Ans. Mass is a measure of the amount of matter in an object and remains constant regardless of the object's location. Weight, on the other hand, is the force exerted on an object due to gravity and can vary depending on the object's location. Newton's laws of motion consider mass, while weight is relevant in the context of gravitational force.
| 5. What is the role of friction in Newton's laws of motion? | |
Ans. Friction is a force that opposes the motion of an object when it comes into contact with another surface. It plays a significant role in Newton's laws of motion, especially Newton's first law. Friction is responsible for bringing an object to rest when an external force is no longer applied, counteracting the object's inertia. It also affects the acceleration of an object by reducing its speed due to the opposing force it generates.
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Dec 22, 2024 Last updated |
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