According to Newton's second law of motion, force is directly proportional to the rate of change of momentum provided

velocity of body remains constant

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mass of body remains constant

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acceleration of body remains constant

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speed of body remains constant

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Solution

The correct option is B
mass of body remains constant

Newton's second law states that the rate of change of momentum of an object is directly proportional to the net force acting on it, provided that the mass of the body is kept constant. It gives the mathematical expression of force.

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According to Newton's second law of motion, force is directly proportional to the rate of change of momentum provided

Q. I have not understood this definition of the Newton's Second Law of Motion:
The rate of change of momentum is directly proportional to the applied force, in the direction of the motion.

Please explain to me what is rate of change of momentum and please give examples

Q. What relation between force and momentum can be used to solve this problem?
"An object of mass 100 Kg is accelerated uniformly from a velocity of 5

\frac{m}{s}

to 8

\frac{m}{s}

in 6 seconds. Calculate the initial and final momentum of the object. Also find the magnitude of the force exerted on the object."

Which law states "The rate of change of momentum of a body is directly proportional to the force and takes place in the same direction as the applied force".

Q. How can we say that the rate of change of momentum is directly proportional to the applied force?

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According to Newton's second law of motion, force is directly proportional to the rate of change of momentum provided

The correct option is B mass of body remains constant Newton's second law states that the rate of change of momentum of an object is directly proportional to the net force acting on it, provided that the mass of the body is kept constant. It gives the mathematical expression of force.

The correct option is B
mass of body remains constant

Newton's second law states that the rate of change of momentum of an object is directly proportional to the net force acting on it, provided that the mass of the body is kept constant. It gives the mathematical expression of force.