PH-1335
Resultant force and F = ma
Physics · Secondary 4 · Hard · Resultant force and F = ma
A 1200 kg car slows down uniformly from 22 m/s to 16 m/s in 3.0 s. Assuming the only horizontal force is the braking force, what is the magnitude of this braking force?
- 400 N
- 800 N
- 2400 N
- 7200 N
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