state and derive Newton second law of the motion ?
Answers
Newton's second law:
For a constant mass m , the second law states that the force (F) is the product of an object's mass (m) and its acceleration (a).
Formula:
F = m*a
Example:
Apply some force on a book resting on a table , the book accelerates.
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Answer:
The acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass. In equation form, Newton’s second law of motion is
DERIVATION:-
RATE OF CHANGE OF MOMENTUM IS DIRECTLY PROPORTIONAL TO FORCE APPLIED
dp/dt=F
F IS DIRECTLY PROPORTIONAL TO dp/dt
F(vector)= dp(vector)/dt
=m dv(vector)/dt
THEREFORE,F( vector)= m(vector) a