Question

This q is for 50 points Answer carefully Q) tell the laws of Newton and explain each of them.

Answer 1

Newton's First law of motion

• According to Newton's first law of motion a body remains in rest or in motion if we do not apply any force on it

Newton's Second law of motion

• An body affected by force acting on it then it will move in the direction of the force

Newton's Third law of motion

• It states that every action has an equal and opposite action or reaction

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Answer 2

Answer:

The laws of Newton are -

• First law of motion
• Second law of motion
• Third law of motion

Newton’s first law of motion-

Newton’s first law states that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

• This postulate is known as the law of inertia.
• The law of inertia was first formulated by Galileo Galilei for horizontal motion on Earth and was later generalized by René Descartes.

Newton's second law of motion-

Newton's second law states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.

• momentum of a body is equal to the product of its mass and its velocity.
• Momentum, like velocity, is a vector quantity, having both magnitude and direction.
• For a body whose mass m is constant, it can be written in the form F = ma, where F (force) and a (acceleration) are both vector quantities.

Newton's third law of motion-

Newton’s third law states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction.

• The third law is also known as the law of action and reaction.