Physics > 2013 > 4
WASSCE
A block of wood of mass 5 kg is pulled on a platform by a force of 40N as illustrated in the diagram above. If the friction force, F experienced by the block is 12N, Calculate the magnitude of the acceleration of the block.
A.
2.4 ms-2
B.
5.6 ms-2
C.
8.0 ms-2
D.
10.4 ms-2
Answer: B
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