A fully-loaded heavy goods vehicle (HGV) travels at 25 m/s along a level motorway. The driver is forced to perform an emergency stop, bringing the vehicle to rest as quickly as possible on dry tarmac.
Estimate the average braking force required to bring the vehicle to rest.
2×103 N2 \times 10^3\text{ N}2×103 N
2×104 N2 \times 10^4\text{ N}2×104 N
2×105 N2 \times 10^5\text{ N}2×105 N
2×106 N2 \times 10^6\text{ N}2×106 N
27 exam-style questions on OCR GCSE Physics Physics on the move. Each one has a worked solution and a mark scheme showing where the marks go.