Define Newton's Laws of Motion? Give any two
examples of Newton's third law?
Answers
Answer:
In classical mechanics, Newton's laws of motion are three laws that describe the relationship between the motion of an object and the forces acting on it. The first law states that an object either remains at rest or continues to move at a constant velocity, unless it is acted upon by an external force.
Examples of Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices.
Answer:
ACCORDING TO NEWTON'S FIRST LAW OF MOTION IF A BODY IS IN A STATE OF REST,IT WILL REMAIN IN THE STATE OF REST AND IF IT IS IN THE STATE OF MOTION, IT WILL REMAIN MOVING IN THE SAME DIRECTION WITH THE SAME SPEED UNLESS AN EXTERNAL FORCE IS APPLIED
ACCORDING TO NEWTON'S SECON LAW OF MOTION,THE RATE OF CHANGE OF MOMENTUM OF A BODY IS DIRECTLY PROPORTIONAL TO THE FORCE APPLIED ON IT AND THE CHANGE IN MOMENTUM TAKES PLACE IN THE DIRECTION IN WHICH FORCE IS APPLIED
ACCORDING TO NEWTON'S THIRD LAW OF MOTION TO EVERY ACTION THERE IS ALWAYS AN EQUAL AND OPPOSITE REACTION
Explanation:
EXAMPLES OF NEWTON'S THIRD LAW:
1)PUSHING A WALL:
WHEN YOU EXERT A FORCE (action) ON A WALL BY PUSHING THE PALM OF YOUR HAND AGAINST IT, YOU EXPERIENCE A FORCE(reaction) EXERTED BY THE WALL ON YOUR PALM
2)FIRING A BULLET FROM A GUN:
WHEN A MAN FIRES A BULLET FROM A GUN,A FORCE F IS EXERTED ON THE BULLET (action) AND THE GUN EXPERIENCES AN EQUAL RECOIL R(reaction)