8 A man carries a load on his head through a distance of 5 m

Last updated: 6/10/2023

8 A man carries a load on his head through a distance of 5 m The minimum amount of work is done when he 1 Moves it over an inclined plane 2 Moves it over a horizontal surface 3 Lifts it vertically upwards 4 first on inclined plane and then upwards