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Q.

A body under the action of force F→ = 6i^-8j^ N acquires an acceleration of 5 ms-2.The mass of the body is

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a

2 kg

b

5 kg

c

4 kg

d

6 kg

answer is A.

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Detailed Solution

Given: F→ = F→ = 6i^-8j^ N, a = 5 ms-2F = (6)2+(-8)2 = 10 NMass of the body, m = Fa = 10 N5 ms-2 = 2 kg
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