CAPE Physics Unit 1 · 2007 (Specimen) · Paper 1 · Question Q5
A wooden block of mass 0.80\text{ kg} is being pulled along a rough horizontal surface with or force of 20\text{ N} as shown above. The block experiences on acceleration of 5\text{ m s}^{-2}. What is magnitude of the frictional force?
- (A)
24\text{ N} - (B)
20\text{ N} - (C)
16\text{ N} - (D)
4\text{ N}
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