Question

A particle of mass 5 kg is acted on by two forces, F1=(3i +4j) N and F2= (-2i +1j) N and is moved ri=(1i

+1j)m to rf= (5i -4j)m. what is the net force on particle. I kept getting -9 when the real answer is -21 and I do not know what I am doing wrong?

Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"