# OCR M1 Mechanics

### Vectors

### Kinematics

Displacement Time Graphs

Motion in a Straight Line

- Motion in a straight line with constant acceleration (suvat)
- Horizontal motion
- Vertical motion under gravity

- Exam Questions

Velocity Time Graphs

Velocity Vectors

- Calculating a speed and bearing
- Calculating a velocity given speed and direction
- Calculating the position vector after time t
- Constant velocity as the rate of change of position vectors
- Exam Questions : velocity vectors

Constant Acceleration Vectors

Linear Motion with variable acceleration

### Statics of a particle

Resolving Forces

Resultant Forces

Equilibrium

Friction

### Dynamics

Newton's Law of Motion : F=ma

- Newton's law of motion : F=ma
- Motion on a horizontal rough plane

Connected Particles - Pulleys

**Two particles hanging either side of a pulley**- Vertical strings over a smooth pulley
- Height risen by one particle when the other hits the ground
- Exam Questions
- Horizontal planes

- Inclined planes
- Force on pulleys

Connected Particles - (non pulley type)

**Tow bars****Particles connected by a horizontal string**

Momentum