PH-94
Friction and air resistance
Physics · Secondary 3 · Medium · Friction and air resistance
A 5.0 kg box is pulled along a horizontal floor by a horizontal force of 18 N. The frictional force opposing the motion is 8.0 N. What is the acceleration of the box?
- 2.0 m/s²
- 0.50 m/s²
- 3.6 m/s²
- 5.0 m/s²
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