Advertisements
Advertisements
प्रश्न
If action is always equal to the reaction, explain how a horse can pull a cart.
Advertisements
उत्तर
A horse pushes the ground in the backward direction. According to Newton’s third law of motion, a reaction force is exerted by the Earth on the horse in the forward direction. As a result, the cart moves forward.
संबंधित प्रश्न
According to the third law of motion, when we push on an object, the object pushes back on us with an equal and opposite force. If the object is a massive truck parked along the roadside, it will probably not move. A student justifies this by answering that the two opposite and equal forces cancel each other. Comment on this logic and explain why the truck does not move.
What is the force which produces an acceleration of 1 m /s2 in a body of mass 1 kg ?
Why does a gunman get a jerk on firing a bullet ?
Explain how a rocket works.
Do action and reaction act on the same body or different bodies ? How are they related in magnitude and direction ? Are they simultaneous or not ?
Explain why, a runner presses the ground with his feet before he starts his run.
According to the third law of motion, action and reaction :
Complete a sentence and explain it.
The working of a rocket depends on Newton's ______ law of motion.
Why do the action and reaction forces in a pair not cancel each other out?
Can action and reaction forces be noncontact forces?
