Question

The physical quantity which is equal to the rate of change of momentum is
i) displacement ii) acceleration iii) force iv) impulse

TNSCERT Class 10 Physics Ch 15 Laws of Motivation and Gravitation

Answer 1

The physical quantity which is equal to the rate of change of momentum is,
iii). force.
It is based on Newton's second law...
d(v-u)/dt=F

Hope this will help you. 

Answer 2

According to Newton's second law, Force is define as the rate of change of momentum.
iii) force