gopisrinivas Asked: December 2022 59. A force of 12 N acts on a body of mass 4 kg placed on a rough surface. The coefficient
gopisrinivas Asked: December 2022 A force of 20N acts on a body of mass 1 kg at rest. Thework done in 8 sec. is(1) 6400 J(2) 3200 J(3)