University:
University of Greenwich
Course:
BSC152 | Engineering Physics
Academic year:

2021
Views:

498

Pages:

3
Author:

Jesly V

NEWTON'S SECOND LAW OF MOTION:- the momentum of a body "The rate of change of momentum is directly proportional and takes place in the to the applied force of force a Mathematical formulation if under the action At The velocity of change from v to Vt Av of a force F for a time an AV u, mars m its initial momentum p = mv changes by op = mov. Δ 81 unit of force 1 is defined as to accelerate. 1 kg Newton (N) the amount of force required mass at 10/02 trup Points In the second law, F=0 implace a=0 ie, the second law is obucously consistent with first law. * Second law of motion terms a vector law- In of rectangular components the force, momentum and acceleration vectors. as:- Can be expressed F=Fx + Fyj+Fzk Pri+ a = ax + ayj + azt Ate to Ind law Impulse lange force acting for a short time to pod large force acting A producen a a fincite funcker change in momentum "an a impulse force. momentum is called defered as the product of the Impulse is defined force and time for which it acts and equal to the total Impulse = change en momentum. Force x time. Eg : The a force excited by a ball then bats man while bitting force experienced by when he palli tapem marble floor from by a person certain height on a