H2P-148
F = ma
H2 Physics · JC 1 · Medium · F = ma
A 3.0 kg trolley is at rest on a smooth horizontal track. A constant horizontal force acts on it for 4.0 s, causing its speed to increase uniformly to 6.0 m s⁻¹. What is the magnitude of the resultant force on the trolley?
- 4.5 N
- 2.0 N
- 9.0 N
- 18 N
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