Asked by David

A man holds a child on his shoulder while watching a football match.how much work is done if the game lasts for 2hours
Answered by Steve
work = force * distance

so, how far did he move?
Answered by Grace Ernest
A man holds a child on his shoulders while watching a football match.How much work is done if the game lasted for 2 hours?
Answered by Grace Ernest
Work=Force*Acceleration .Therefore W=mgh=0.Which means work is not done at all.
Answered by Grace Ernest Agupusi Okpala
A man of mass 50kg ascends flight of stairs 5 m high in 5 seconds.If acceleration due to gravity is 10ms-2,the power expanded is....
Answered by Grace Agupusi Okpala
Solution:Mass=50Kg High=5M Acceleration=10Ms-2.Therefore total height =5m workdone=mgh therefore work =50*10*5=2500 the power(work over time) =2500 over 5=500watts.
Answered by Nnamani
A man holds a child on his shoulders while watching a football match . How much work has he done if the game lasts for 1 hour five reason for your answer.
Answered by Eng. Praise Jude
No work....
Answered by Eng. Praise Jude
No Work...
Answered by Sofia
no work
Answered by Sofia
no work
Answered by Eniola
U guys are right no work
Answered by Geoffrey Musa Lava
No work done
Answered by Favour
No work done
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