Question

A bird of mass 0. 1 kg rising vertically with an acceleration of 0.2 ms 2
exerts a muscular force of
1
(A) 1N.
(B) 9.8 kg wt.
(C) 9.8N.
(D)
kg wt.
9.8​

Answer 1

Answer:

(A) 1 N

Explanation:

mass of the bird=0.1 kg

acceleration given by the bird= 0.2 m/s²

gravitational acceleration =9.8 m/s²

total acceleration = (0.2+9.8)= 10 m/s²

Force= mass × total acceleration

therefore, F= ma = 0.1 × 10 = 1 N

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