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Apply Newton's 3 law of motion to explain how 2 billiard balls moving toward each other at the same speed collide and move away from each other at the same speed as before?
Wiki User
∙ 14y ago
Newton's Third Law states that if object A (let's call it the cue ball) exerts a force on object B (let's call it the eight ball), then the eight ball will exert an equal and opposite force on the cue ball.
If the cue ball is in motion and heads toward the eight ball which is in motion toward the cue ball, they will collide. Both balls will exert the same amount of force on each other, but in opposite directions (Newton's 3rd law). Since both balls have the same mass and have the same magnitude of force acting on them, they will both accelerate at the same rate (this is actually now entering into Newton's 2nd law). a=F/m
Wiki User
∙ 14y ago
When two billiard balls moving toward each other collide, they exert equal and opposite forces on each other as per Newton's third law. This causes the balls to experience acceleration due to the force of the collision, leading to a change in their direction. After the collision, the balls move away from each other at the same speed as before due to the conservation of momentum, where the total momentum of the system remains constant unless acted upon by an external force.
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When two billiard balls collide, the total change in momentum is equal to zero according to the law of conservation of momentum. This means that the combined momentum of the two balls before the collision is equal to the combined momentum after the collision.
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The momentum stays the same.
What happens to all the momentum when two billiard balls collide.?
In a collision between two billiard balls, momentum is conserved. This means that the total momentum of the two balls before the collision is equal to the total momentum after the collision. The momentum is transferred between the two balls during the collision, resulting in changes in their individual velocities.
What is a real world example of an elastic collision?
One example of an elastic collision is when two billiard balls collide on a pool table without friction or rotational forces. In this scenario, both balls move away from each other after the collision with the same speeds and kinetic energy as before the collision.
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They have identical momentum before the collision . The total momentum will the the same before and after the collision. When the balls collide they will bounce apart both with same force and so the same momentum as originally - but in opposite directions. This assumes no energy loss in an ideal elastic collision.
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What is an example of elastic collision?
An example of an elastic collision is when two billiard balls collide with each other on a pool table and bounce off each other without any loss of kinetic energy. This means that the total kinetic energy of the system before the collision is equal to the total kinetic energy after the collision.
