Question

Two persons manage to push a motorcar of mass 1200kg at a uniform velocity along a level road.The same motorcar can be pushed by three persons to produce an acceleration of 0.2metre per second square . With what force does each person push the motorcar ?(asuume that all persons push the motorcar with the same muscular effort.)

Answer 1

120 Newton F = ma= 1200×0.2=240newton Force applied by both person us equal. So Force applied by 1person = 120 Newton