PH-1398
Friction and air resistance
Physics · Secondary 4 · Medium · Friction and air resistance
A 2.0 kg block rests on a horizontal table. The coefficient of friction between the block and the table is 0.25. Take . What is the frictional force on the block when it is just about to move?
- 0.50 N
- 2.5 N
- 5.0 N
- 8.0 N
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