PH-236
Resultant force and F = ma
Physics · Secondary 3 · Medium · Resultant force and F = ma
A car of mass 900 kg is travelling at 20 m/s. What braking force is needed to bring it to rest in 10 s, assuming uniform deceleration?
- 90 N
- 180 N
- 900 N
- 1800 N
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