TillJafitz5a TillJafitz5a

14-10-2016
Physics

Answered

A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s2. Find the mass of the box?

A30 N

B30 kg

C6,750 N

D6,750 kg

Verified Answer :

14-10-2016

It would be: m= F/a = 450 N / 15 m/s^2 = 30 Kg

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Edufirst Edufirst

17-10-2016

Second Law of Newton: Net force equals mass times acceleration

F = m*a => m = F/a

m = 450N / 15 m/s^2 = 30 kg

Answer: option B) 30 kg

Answer Link

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