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Momentum of a body is the quantity of motion possessed by the body. It depends on the mass of the body and the velocity with which it moves.When a bullet is fired by a gun, it can easily pierce human tissue before coming to rest resulting in casualty. The same bullet fired with moderate speed will not cause much damage. The greater the change in momentum in a given time, the greater is the force that needs to be applied. The second law of motion refers to the general situation, where there is a net external force rating on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Momentum of a body is the quantity of motion possessed by the body. It depends on the mass of the body and the velocity with which it moves.When a bullet is fired by a gun, it can easily pierce human tissue before coming to rest resulting in casualty. The same bullet fired with moderate speed will not cause much damage. The greater the change in momentum in a given time, the greater is the force that needs to be applied. The second law of motion refers to the general situation, where there is a net external force rating on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Momentum of a body is the quantity of motion possessed by the body. It depends on the mass of the body and the velocity with which it moves.When a bullet is fired by a gun, it can easily pierce human tissue before coming to rest resulting in casualty. The same bullet fired with moderate speed will not cause much damage. The greater the change in momentum in a given time, the greater is the force that needs to be applied. The second law of motion refers to the general situation, where there is a net external force rating on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Momentum of a body is the quantity of motion possessed by the body. It depends on the mass of the body and the velocity with which it moves.When a bullet is fired by a gun, it can easily pierce human tissue before coming to rest resulting in casualty. The same bullet fired with moderate speed will not cause much damage. The greater the change in momentum in a given time, the greater is the force that needs to be applied. The second law of motion refers to the general situation, where there is a net external force rating on the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Conservation of Momentum This principle is a consequence of Newton’s second and third laws of motion.In an isolated system (i.e. a system having no external force), mutual forces (called internal forces) between pairs of particles in the system causes momentum change in individual particles.Let a bomb be at rest, then its momentum will be zero. If the bomb explodes into two equal parts, then the parts fly off in exactly opposite directions with same speed, so that the total momentum is still zero. Here, no external force is applied on the system of particles (bomb).A bullet of mass 10 g

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Conservation of Momentum This principle is a consequence of Newton’s second and third laws of motion.In an isolated system (i.e. a system having no external force), mutual forces (called internal forces) between pairs of particles in the system causes momentum change in individual particles.Let a bomb be at rest, then its momentum will be zero. If the bomb explodes into two equal parts, then the parts fly off in exactly opposite directions with same speed, so that the total momentum is still zero. Here, no external force is applied on the system of particles (bomb).A shell of mass 10 kg

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Conservation of Momentum This principle is a consequence of Newton’s second and third laws of motion.In an isolated system (i.e. a system having no external force), mutual forces (called internal forces) between pairs of particles in the system causes momentum change in individual particles.Let a bomb be at rest, then its momentum will be zero. If the bomb explodes into two equal parts, then the parts fly off in exactly opposite directions with same speed, so that the total momentum is still zero. Here, no external force is applied on the system of particles (bomb).A bullet of mass 0.1 kg

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Conservation of Momentum This principle is a consequence of Newton’s second and third laws of motion.In an isolated system (i.e. a system having no external force), mutual forces (called internal forces) between pairs of particles in the system causes momentum change in individual particles.Let a bomb be at rest, then its momentum will be zero. If the bomb explodes into two equal parts, then the parts fly off in exactly opposite directions with same speed, so that the total momentum is still zero. Here, no external force is applied on the system of particles (bomb).A unidirectional force F varying with

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Conservation of Momentum This principle is a consequence of Newton’s second and third laws of motion.In an isolated system (i.e. a system having no external force), mutual forces (called internal forces) between pairs of particles in the system causes momentum change in individual particles.Let a bomb be at rest, then its momentum will be zero. If the bomb explodes into two equal parts, then the parts fly off in exactly opposite directions with same speed, so that the total momentum is still zero. Here, no external force is applied on the system of particles (bomb).Two masses of `M and 4M`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Force of Friction on Connected Bodies When bodies are in contact, there are mutual contact forces satisfying the third law of motion. The component of contact force normal to the surfaces in contact is called normal reaction. The component parallel to the surfaces in contact is called friction.In the above figure, `8 kg and 6 kg` are hanging stationary from a rough pulley and are about to move. They are stationary due to roughness of the pulley.Which force is acting between pulley and

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Force of Friction on Connected Bodies When bodies are in contact, there are mutual contact forces satisfying the third law of motion. The component of contact force normal to the surfaces in contact is called normal reaction. The component parallel to the surfaces in contact is called friction.In the above figure, `8 kg and 6 kg` are hanging stationary from a rough pulley and are about to move. They are stationary due to roughness of the pulley.The normal reaction acting on the system

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Force of Friction on Connected Bodies When bodies are in contact, there are mutual contact forces satisfying the third law of motion. The component of contact force normal to the surfaces in contact is called normal reaction. The component parallel to the surfaces in contact is called friction.In the above figure, `8 kg and 6 kg` are hanging stationary from a rough pulley and are about to move. They are stationary due to roughness of the pulley.The tension is more on side having mass

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Force of Friction on Connected Bodies When bodies are in contact, there are mutual contact forces satisfying the third law of motion. The component of contact force normal to the surfaces in contact is called normal reaction. The component parallel to the surfaces in contact is called friction.In the above figure, `8 kg and 6 kg` are hanging stationary from a rough pulley and are about to move. They are stationary due to roughness of the pulley.The force of friction acting on the rope

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Force of Friction on Connected Bodies When bodies are in contact, there are mutual contact forces satisfying the third law of motion. The component of contact force normal to the surfaces in contact is called normal reaction. The component parallel to the surfaces in contact is called friction.In the above figure, `8 kg and 6 kg` are hanging stationary from a rough pulley and are about to move. They are stationary due to roughness of the pulley.Coefficient of friction of the pulley

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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If force is acting on a moving body perpendicular to the direction of motion, then what will be its effect on the speed and direction of the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The two ends of spring – balance are pulled each by a force of 10kg.wt. What will be the reading of the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A lift is accelerated upward. Will the apparent weight of a person inside the lift increase, decrease or remain the same relative to its real weight? If the lift is going with uniform speed,

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A soda water bottle is falling freely. Will the bubbles of the gas rise in the water of the

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Two billiard balls each of mass 0.05kg moving in opposite directions with speed 6m/s collide and rebound with the same speed. What is the impulse imparted to each ball due to

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A nucleus is at rest in the laboratory frame of reference. Show that if it disintegrates into two smaller nuclei, the products must be emitted in opposite

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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