If the force acting on a body is 10 N, and the acceleration is 4 m/s^2, what can be the mass of the body?

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Editor">Editor Staff asked 1 year ago

If the force acting on a body is 10 N, and the acceleration is 4 m/s^2, what can be the mass of the body?
 
(a) 2.5 Kg
 
(b) 25 Kg
 
(c) 0.25 Kg
 
(d) 5 Kg
 
This question was addressed to me during an interview for a job.
 
Enquiry is from Newton’s Second Law of Motion topic in division Laws of Motion of Physics – Class 11
Select the correct answer from above options 
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Editor">Editor Staff answered 1 year ago

The correct choice is (a) 2.5 Kg
 
For explanation I would say: From the second law of motion we get that F = ma, when the mass is not changing. Putting in the values, we get, Force = 10 = m x 4. Which will result in m = 2.5 Kg.

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