H2P-546
F = ma
H2 Physics · JC 2 · Medium · F = ma
A 2.5 kg block is pulled up a rough horizontal surface by a constant horizontal force of 18 N. The block accelerates at 3.0 m s. What is the frictional force acting on the block?
- 10.5 N
- 7.5 N
- 5.5 N
- 25.5 N
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