PH-288
Friction and air resistance
Physics · Secondary 3 · Medium · Friction and air resistance
A 3.0 kg trolley is pulled with a horizontal force of 14 N. The frictional force opposing the motion is 2.0 N. What is the acceleration of the trolley?
- 4.0 m/s²
- 6.0 m/s²
- 3.0 m/s²
- 12 m/s²
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