Forces

4.5.1 Forces and Interactions

• 4.5.1.1 Scalar and vector quantities
• 4.5.1.2 Contact and non-contact forces
• 4.5.1.3 Gravity
• 4.5.1.4 Resultant forces

4.5.2 Work and Energy Transfer

• Work done and energy transfer

• Forces and elasticity 3 notes
  • Elastic and Inelastic Deformation
  • Hooke's Law and Elastic Potential Energy Calculations
  • Required Practical: Investigating the Force-Extension Relationship

• Moments, levers and gears 2 notes
  • Introduction to Moments and Balanced Systems
  • Levers and Gears

4.5.5 Pressure in Fluids

• 4.5.5.1.1 Pressure in a fluid 1
• 4.5.5.1.2 Pressure in a fluid 2
• 4.5.5.2 Atmospheric pressure

4.5.6 Forces and Motion

• 4.5.6.1.1 Distance and displacement
• 4.5.6.1.2 Speed
• 4.5.6.1.3 Velocity
• 4.5.6.1.4 The distance–time relationship
• 4.5.6.1.5 Acceleration 2 notes
  • Calculating Acceleration and Uniform Motion
  • Velocity-Time Graphs and Terminal Velocity
• 4.5.6.2.1 Newton's First Law
• 4.5.6.2.2 Newton's Second Law
• 4.5.6.2.3 Newton's Third Law
• 4.5.6.3.1 Stopping distance
• 4.5.6.3.2 Reaction time
• 4.5.6.3.3 Factors affecting braking distance 1
• 4.5.6.3.4 Factors affecting braking distance 2

4.5.7 Momentum

• 4.5.7.1 Momentum is a property of moving objects
• 4.5.7.2 Conservation of momentum
• 4.5.7.3 Changes in momentum