What this topic covers
Forces has 5 subtopics:
- Forces and their interactions
- Work done and energy transfer
- Forces and elasticity
- Forces and motion
- Momentum (HT only)
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GCSE AQA Higher Combined Science Physics · Topic 5 of 8
Forces – GCSE AQA Higher Combined Science Physics revision notes
Choose a subtopic. Forces covers Forces and their interactions, Work done and energy transfer, Forces and elasticity, and Forces and motion in GCSE AQA Higher Combined Science Physics. 30 lessons in 5 subtopics.
Revise Forces for GCSE AQA Higher Combined Science Physics, including Forces and their interactions, Work done and energy transfer, and Forces and elasticity.
30
Lessons
5
Subtopics
Forces lessons by subtopic
30 lessons, grouped by subtopic.
Forces and their interactions
- Forces and Free Body Diagrams
- Calculating Resultant Forces
- (HT) Vector Diagrams and Resultant Forces
- Introduction to Gravity and Weight
- Calculating Weight Using W = mg
- Scalar and Vector Quantities
- Introduction to Contact and Non-Contact Forces
- Forces as Vectors
Work done and energy transfer
Forces and elasticity
- Elasticity Explained: Forces, Deformation and Springs
- Spring Constant and Calculations
- Elastic Potential Energy
Forces and motion
- Distance, Displacement and Speed (Part 1/3)
- Distance, Displacement and Speed (Part 2/3)
- Distance, Displacement and Speed (Part 3/3)
- Velocity, Distance-Time Graphs and Speed
- Acceleration, Velocity-Time Graphs and Terminal Velocity (Part 1/3)
- Acceleration, Velocity-Time Graphs and Terminal Velocity (Part 2/3)
- Acceleration, Velocity-Time Graphs and Terminal Velocity (Part 3/3)
- Newton's First Law of Motion
- Newton's Second Law: F = ma (Part 1/2)
- Newton's Second Law: F = ma (Part 2/2)
- Newton's Third Law: Action and Reaction
- Thinking Distance
- Braking Distance
Momentum (HT only)
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Frequently asked questions
What is Forces?
Forces covers Forces and their interactions, Work done and energy transfer, Forces and elasticity, and Forces and motion in GCSE AQA Higher Combined Science Physics. 30 lessons in 5 subtopics.
How do you calculate distance from speed and time?
Distance is calculated with s = vt, distance = speed × time. The Distance, Displacement and Speed (Part 2/3) notes cover this in full.
What is the typical speed of walking, running and cycling?
Typical speeds are about 1.5 m/s for walking, 3 m/s for running and 6 m/s for cycling. The Distance, Displacement and Speed (Part 1/3) notes cover this in full.
What is Newton's second law?
Newton's Second Law states that the acceleration of an object is proportional to the resultant force acting on it and inversely proportional to its mass. The Newton's Second Law: F = ma (Part 1/2) notes cover this in full.
What is the equation for work done?
The formula for work done is W = F × d: work done in joules equals force in newtons times distance moved in metres. The Introducing Work Done notes cover this in full.
What is the equation for acceleration?
The equation for acceleration is a = Δv/t, where Δv is the change in velocity (final velocity − initial velocity) in m/s and t is the time taken in s. The Acceleration, Velocity-Time Graphs and Terminal Velocity (Part 1/3) notes cover this in full.
What is Newton's third law?
Newton's Third Law states that whenever two objects interact, the forces they exert on each other are equal in magnitude and opposite in direction. The Newton's Third Law: Action and Reaction notes cover this in full.
What is the formula for momentum?
The momentum formula is p = mv: momentum (kg m/s) = mass (kg) × velocity (m/s). The Understanding Momentum notes cover this in full.
What is velocity?
Velocity is the speed of an object in a given direction, measured in metres per second (m/s) in a specified direction. The Distance, Displacement and Speed (Part 3/3) notes cover this in full.