vertical
weight = -m g
up from hands = Z
up from ground = mg - Z
horizontal
horizontal from hands = X
Horizontal from ground at tire = -X
JOHN IS PUSHING A WHEELBARROW FILLED WITH SAND ON A BUILDING SITE THE TOTAL MASS OF THE WHEELBARROW AND ITS CONTENTS IS 3O KG DRAW A LABELLED FREE BODY DIAGRAM OF ALL FORCES THAT ACT ON WHEELBARROW
1 answer
1 answer