forces
- Created by: blossomw
- Created on: 06-09-21 18:24
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- forces p181
- forces = vector (size + direction)
- normal contact force - between touching objects
- non contact force - eg. gravitational attraction --> sun + earth
- electrostatic forces cause attraction and repulsion between magnetic objects due to their interacting magnetic fields
- free body diagram - shows an isolated body with arrows showing the forces acting on it, not what its exerting.
- arrows show relative magnitude of forces
- newtons 3rd law - when two objects interact they exert an equal and opposite reaction on eacho other
- forces = vector (size + direction)
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