Why does a gunman get a jerk on firing a bullet?
This is because when the bullet is fired from the gun, it moves forwards and exerts a force on the gun; an equal amount of force is exerted on the bullet by the gun. This is because according to third law of motion, when a force is applied on a body, the body exerts an equal and opposite force on another body.
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Name the laws involved in the following situations:
(a) The sum of products of masses and velocities of two moving bodies before abd after their collision remains the same.
(b) A body of mass 5 kg can be accelerated more easily by a force than another body of mass 50 kg under similar conditions
(c) When person A standing on roller skates pushes another person B (also standing on roller skates) and makes him move to the right side, then the person A himself gets moved to the left side by an equal distance.
(d) If there were no friction and no air resistance, then a moving bicycle would go on moving forever.Lakhmir Singh & Manjit Kaur - Physics
If a balloon filled with air and its mouth unties, is released with its mouth in the downward direction, it moves upwards. Why?Lakhmir Singh & Manjit Kaur - Physics
Why would an aircrafts be unable to fly on the moon?Lakhmir Singh & Manjit Kaur - Physics
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be:
A. 50 N B. 25000 N
C. 10 N D. 500 NLakhmir Singh & Manjit Kaur - Physics
If someone jumps to the shore from a boat, the boat moves in the opposite direction. Why?Evergreen - Science