A force of 20 N acts upon acts a body whose weight is 9.8N.what is the mass of the body and how much is it's acceleration?
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Answer:
Mass of body = 1 kg
Acceleration due to gravity = 9.8 m/s²
Step-by-step explanation:
Given - External force = F = 20 N
Body weight W = 9.8 N
Weight = Mass × Acceleration of gravity
∴ 9.8 N = M kg x 9.8 m/s²
∴ M = 9.8 ÷ 9.8
∴ M = 1 kg
Mass of the body = 1 kg.
As the force acting on the body is constant an not changing, there will be no change in its acceleration.
Thus, accelaration acting on the body = Accelaration due to gravity = 9.8 m/s²
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