PH-225
Resultant force and F = ma
Physics · Secondary 3 · Hard · Resultant force and F = ma
A car of mass 900 kg is travelling at 20 m/s. The driver brakes and the car comes to rest in 5.0 s. Assume the braking force is constant.
What is the magnitude of the braking force on the car?
What is the magnitude of the braking force on the car?
- 3.6 × 10³ N
- 1.8 × 10³ N
- 4.5 × 10³ N
- 9.0 × 10² N
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