Forces
- Created by: Goncharov123
- Created on: 22-01-23 21:02
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- Forces
- Vectors and Scalars
- Vector quantities have a magnitudes and a direction.
- Vectors are represented by an arrow
- Vector quantities include:
- Force
- Velocity
- Displacement
- Momentum
- Accerleration
- Scalar quantities have magnitude but no direction.
- Scalar quantities include:
- Speed
- Distance
- Mass
- Temperature
- Time
- Vector quantities have a magnitudes and a direction.
- Types of forces
- Gravitational Force
- Weight
- W = mg
- Mass
- Work Done
- W = Fs
- Elasticity
- F = Ke
- Accerleration
- a = Change in velocity/time
- Terminal Velocity
- Friction
- Air Resistance
- Momentum
- Momentum = mass x velocity
- Newton's Laws of Motion
- First Law: A force is needed to change motion
- Second Law: Acceleration is proportional to the resultant force
- Third Law: Equal and opposite forces act on interacting objects.
- This relates to Inertia which is the tendency for motion to remain unchanged.
- Vectors and Scalars
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