PH-159
Resultant force and F = ma
Physics · Secondary 3 · Hard · Resultant force and F = ma
A 1.5 kg block is pulled along a rough horizontal surface by a horizontal force of 11 N. The block accelerates at 3.0 m/s². What is the frictional force acting on the block?
- 4.5 N
- 6.5 N
- 7.5 N
- 16.5 N
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