Physics WAEC

A block is acted upon by two horizontal forces as illustrated in the diagram above. The block accelerates at 1.5ms‾². Calculate the mass of the block.

A. 6kg
B. 9kg
C. 10kg
D. 15kg

Correct Answer: Option A

A. 6kg

Explanation

Total force exerted on the block = (10 – 1)N =9N

Force = mass x acceleration

9 = m x 1.5

m = 9/1.5 = 6kg

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