Question

Which of the following are Newton's laws of motion? Select all that apply. Question options: A object in equilibrium will remain so unless acted upon by an outside force. The normal force on a body equals mass times gravity (N=m*g) For every action, there is an equal and opposite reaction The sum of external forces on a body equals mass times acceleration (F= m*a)

Answer 1

Newton’s first law of motion:

This law states that “every object will remain in uniform motion in a straight or at rest until the action of an un-balanced external force.

The first statement {A object in equilibrium will remains equilibrium unless acted by an outside force} is Newton’s first law of motion.

Newton’s second law of motion:

Newton’s second law of motion states that “the net force on the system is equal to the product of mass and acceleration of the system.”

Mathematically, the expression of the net force can be expressed as,

F = ma

Fourth statement is Newton’s second law of motion

Newton’s third law:

Newton’s third law is defined as “Every action has an equal and opposite reaction”.

It is also known as the law of action-reaction of the forces.

Third statement is Newton’s third law and secomd statement is the appliction of the Newton’s third law .

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