A body of mass is at rest. What should be the magnitude of force which will make the body move with a speed of at the end of ?
Step1: Given data
The mass of the body is .
The body was at rest,
The body moves with a speed of at the end of i.e.,
Step2: Formula used
According to Newton’s second law of motion, the magnitude of the applied force on a body is equal to the product of its mass and acceleration.
Step3: Calculating force
We say that a body accelerates when an imbalanced force is applied to it.
The rate of change in velocity of a body with respect to time is known as acceleration.
Substituting the value of mass and acceleration in the formula
Hence, the magnitude of the force that will make the body move is .