5.1.1

Newton's Law

Test yourself

Newton's Law of Gravitation

Gravity is an attractive force acting between all matter. This force acts everywhere in the universe.

Illustrative background for Gravity Illustrative background for Gravity  ?? "content

Gravity

  • Gravitational force only depends on the mass of the two objects and the distance between them. The equation for calculating this force is:
    • Gravitational force = (gravitational constant x first mass x second mass) ÷ (the distance between the masses)2
    • F=(Gm1m2)/r2F=(G{m_1}{m_2})/r^2
Illustrative background for Newton's third law Illustrative background for Newton's third law  ?? "content

Newton's third law

  • Gravitational force acts along the line joining the two centres of the objects.
  • The magnitude of the force acting on both objects is the same. This is consistent with Newton's third law.

Jump to other topics

1Physical Quantities & Units

2Measurement Techniques

3Kinematics

4Dynamics

5Gravitational Fields

6Deformation of Solids

7Thermal Physics

8Oscillations

9Communication

10Electric Fields

11Current Electricity

12Magnetic Fields

13Modern Physics

Unlock your full potential with Seneca Premium

  • Unlimited access to 10,000+ open-ended exam questions

  • Mini-mock exams based on your study history

  • Unlock 800+ premium courses & e-books

Get started with Seneca Premium