- #1
hasanhabibul
- 31
- 0
from the second law of Newton we know... applied force is proportional to the change of momentum...that means F= k( mv-mu) where k is constant ...from here now proof F=ma
The second law of Newton, also known as the law of acceleration, states that the force applied to an object is directly proportional to the mass of the object and its acceleration. This law is expressed as F=ma, where F is the force, m is the mass, and a is the acceleration.
The second law of Newton can be mathematically expressed as F=ma, which means that the force applied to an object is equal to the mass of the object multiplied by its acceleration. This equation helps us understand how forces affect the motion of objects.
The proof of F=ma from the second law of Newton can be derived from the definition of acceleration, which is the rate of change of an object's velocity. Using the formula for acceleration (a=Δv/Δt), we can rearrange the equation to solve for force, giving us F=ma.
One example of how F=ma is applied in real life is when a car accelerates. The force of the engine pushing the car forward is directly proportional to the mass of the car and its acceleration. This equation also applies to other situations, such as a person pushing a cart or a rocket launching into space.
No, F=ma is not a universal equation for all forces. It is specifically related to Newton's second law and only applies to forces that cause acceleration. Other forces, such as friction or tension, have their own equations and cannot be calculated using F=ma.