JAMB - Physics (2017 - No. 7)
Under which of the following conditions is workdone
A man supports a heavy food above his head with his hands
A boy climbs onto a table
A man pushes unto a table
A woman holds a pot of water
คำอธิบาย
For work to be done, distance must be involved because
workdone = force × distance
workdone = force × distance