Why the Newton's second law of motion important?

Newton's Second Law of Motion F=ma is very important because it shows the relationship between forces and motion. It allows you to calculate the acceleration (and therefore velocity and position) of an object with known forces.

This is incredibly valuable for scientists, engineers, inventors, etc. By controlling, measuring, or calculating the force exerted on objects, we can map out their trajectory, thus knowing where they will be at any given time.

SG

Related Physics A Level answers

All answers ▸

Is the excitation and de-excitation of an electron from the ground state (of an atom) due to the collision of another particle (e.g. electron) an elastic collision or an inelastic collision.


Bismuth-208, which has an atomic mass of 208u and 83 protons in the nucleus, decays through the emission of 2 alpha particles and a beta-positive particle. What isotope results from this decay?


A car travelling at 28 m/s brakes until it stops completely after travelling a distance of 15 m. Calculate the deceleration of the car.


How do you use a Variable Resistor to determine values to show the relationship between I and V?