O-LevelPhysicsForces5054/12 · May/June 2017 · Q71 Mark

A train of mass 240000 kg is travelling at a speed of 60m/s. The brakes are applied and it decelerates for 10 minutes until it comes to rest. What is the average resultant force?

A24 000 N

B40 000 N

C480 000 N

D720000 N

✓ Correct answer

A: 24 000 N

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