Question

a net force of 15 N is exerted on an encylopedia to couse it to accelerate at a rate of 5m/$2 determine the mass of the encylopedia

Answer 1

Use Fnet= m * a with Fnet = 15 N and a = 5 m/s/s.

So (15 N) = (m)*(5 m/s/s)

And m = 3.0 kg