PhysicsUK Connections

Connections.EXPLORE · CONNECT · UNDERSTAND YOUR COURSEOCR A · AS Physics Browse topics →
All apps ↗
55 ideas · 69 connections
Forces explain changes in motion Motion graphs and constant-acceleration equations Displacement and velocity are vectors One projectile, two motion graphs From a velocity graph to kinetic energy Velocity graphs reveal momentum changes Motion graphs and wave graphs: read the axes Mean drift velocity is a motion quantity Measuring motion without hiding uncertainty Gradients and areas connect motion to data analysis Units keep motion calculations consistent Free fall through motion and energy Resolve a launch velocity before analysing a projectile Maintaining speed requires power A force–time graph measures impulse A straight-line graph reveals a source’s properties Compare a result with evidence, not just an accepted number A spring experiment tests both a model and a gradient Motion3.1 Forces in action3.2 Analysing1.1.3 Evaluating1.1.4 SI units2.1.2 Measurements and uncertainty2.2.1 Scalar and vector quantities2.3.1 Kinematics3.1.1 Linear motion3.1.2 Projectile motion3.1.3 Kinetic and potential energies3.3.2 Power3.3.3 Newton’s laws of motion3.5.1 Mean drift velocity4.1.2 Internal resistance4.3.2 Wave motion4.4.1 Force–extension graphs
100%

Select a node to explore. Select a green line to follow a connection.

Drag to pan · scroll to zoom · arrow keys to move · 0 to fit

Physics connection Topic → subtopic
Explore the connections 69
PHYSICSUK CONNECTIONS
Physics connection

Gradients and areas connect motion to data analysis

OCR A AS Physics · Two ideas, one explanation

A gradient measures change per unit horizontal-axis quantity; an area combines the two axis quantities. This explains why motion graphs yield different physical quantities.

Gradient of x–t → v Area under v–t → displacement

Follow the reasoning

  1. Write down each axis quantity and its unit.
  2. Choose a large triangle for a straight gradient or draw a tangent to a curve.
  3. Check the units of the result before interpreting its meaning.
Specification outcomes (4)
  • 3.1.1(c) Use displacement–time graphs to determine velocity as the gradient.
  • 3.1.1(d) Use velocity–time graphs to determine acceleration as the gradient and displacement as the area under the graph, including estimation for non-linear graphs.
  • 1.1.3(d)(i) Selection and labelling of axes with appropriate scales, quantities and units.
  • 1.1.3(d)(ii) Measurement of gradients and intercepts from experimental results.
Open the official OCR AS specification ↗

H156 v2.0 · May 2026

OFFICIAL EXAM-BOARD RESOURCES

See it in an exam

A curated collection of checked examples. Coverage is growing; this is not a complete past-paper catalogue.

ORIGINAL PHYSICSUK QUESTIONS

Put the ideas to work

More practice is on its way

No PhysicsUK question linked yet. New eligible questions appear here as the bank grows.

PhysicsUK · Built for understanding