Explain Newton’s law of Gravitation

Newton’s law of gravitation states that the force of attraction between two objects due to their masses is proportional to the product of the two objects and inversely proportional to the distance between the objects squared.

MS

Related Physics A Level answers

All answers ▸

Single electrons travelling at 550 ms^-1 are passed through a diffraction grating with a spacing between the slits of 2.5 micrometers. What would the angle between the zeroth and first maximum of the resulting interference pattern be?


How would you calculate the vertical and horizontal components of the velocity of an object with an initial velocity of 15m/s which is travelling upwards at an angle of 30 degrees to the horizontal?


A ball is dropped from a 5.0m high window. Assuming air resistance is negligible, calculate the time taken for it to hit the ground.


Where does the formula for gravitational potential come from? Why the minus sign?