What are Newton's three laws?
First: an object remains at rest or constant speed unless acted on by an external force
Second: Force is equal to rate of change of momentum
Third: Every action has an equal and opposite reaction
CD
Related Physics A Level answers
All answers ▸Given the Earth orbits the Sun at a distance of 1.49*10^11m with Me = 5.97*10^24kg and Msolar = 1.99*10^30, what is the gravitational force between the Earth and Sun?
Explain why an object moving around a circle is said to be accelerating when it has no resultant force acting upon it.
A boy (25kg) and a girl (20kg) are playing on a see-saw which is 4m long. If the boy sits 1m from the centre on the left side and the girl 2m from the centre on the other, which direction will the see-saw will rotate around its centre?
How would I derive Kepler's third law from Newton's law of gravitation and the equations of circular motion?