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Which of the following is a characteristic of friction?
Friction opposes the relative motion between two surfaces in contact. This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physicRead more
Friction opposes the relative motion between two surfaces in contact.
This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding.
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If a body of mass 𝑚 moves in a circle of radius 𝑟 with a speed 𝑣 what is the centripetal force?
The centripetal force required for circular motion is 𝐹𝑐 = mv²/r. This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chRead more
The centripetal force required for circular motion is 𝐹𝑐 = mv²/r.
This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding.
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Which of the following is a non-contact force?
Gravity acts at a distance without physical contact. This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-4/
Gravity acts at a distance without physical contact. This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding.
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When you walk on the ground, which force helps you move forward?
The frictional force opposes the motion of your foot backward, propelling you forward. This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutionRead more
The frictional force opposes the motion of your foot backward, propelling you forward.
This question related to Chapter 4 physics Class 11th NCERT. From the Chapter 4 Laws of motion. Give answer according to your understanding.
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What are conservative forces? Explains
Conservative forces are those for which the work done on an object depends only upon the initial and final positions of the object, not on the route taken between them. That property guarantees that when an object is moved under the influence of a conservative force and returns to its original positRead more
Conservative forces are those for which the work done on an object depends only upon the initial and final positions of the object, not on the route taken between them. That property guarantees that when an object is moved under the influence of a conservative force and returns to its original position, the total work done by the force is zero.
One of the most important characteristics of conservative forces is that they are associated with potential energy. When an object moves in a conservative force field, its potential energy changes, and this change is equal to the work done by the force. Thus, for example, in the gravitational field, when an object is lifted, it gains potential energy equal to the work done against gravity.
In addition, conservative forces are necessary in the principle of energy conservation. The total mechanical energy—potential and kinetic energy—is conserved in systems affected by these forces. Energy can be transformed from potential to kinetic form and vice versa; however, its total is kept constant.
Examples of conservative forces include gravitational force, electrostatic force, and spring force. These forces are fundamental in classical mechanics, explaining various physical phenomena and the behavior of systems in motion and energy transfer.
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