Live measurements
- Weight
- 49.1 N
- Normal force
- 47.4 N
- Friction
- 9.48 N
- Resultant force
- 12.8 N
- Acceleration
- 2.57 m/s²
PhysicsA-Level7 minBeta
Forces & Free-Body Lab
Resolve weight on a slope, compare friction with the driving force and see exactly when the block balances or accelerates.
Model presets
Reviewed starting statesCurriculum map
- OCR A-Level Physics
Forces in action → Force, mass, weight and moments - Edexcel GCSE Physics
Forces and Their Effects → Resultant forces and free-body diagrams
Model boundaries
- The block is represented as a particle for translational motion.
- Friction can balance the driving force up to μR, then acts at its limiting value.
- Air resistance and rotational effects are ignored.
StudyVector-authored Newtonian model using force resolution and F = ma; mapped to the reviewed curriculum topics shown below.
Accessible text description
A block rests on an adjustable slope. Arrows show weight vertically downward, the normal force perpendicular to the surface, the applied force along the slope and friction opposing the would-be motion. Optional dashed arrows resolve weight into parallel and perpendicular components. A labelled resultant shows whether acceleration is uphill, downhill or zero.