A boy who is lifting a pail of water does work lifting the pail of water and it's force to carry and distance to the water, A boy who carrying books does not work because when you are holding a book, the force you exert is upwards ( to support it's weight ). but when you walk you are moving horizontally, so no work is done on the book.
When you lift something is work being done?
The net force on the object is zero. The force you are exerting is equal in magnitude and opposite in direction to the force of gravity. As you are lifting the object you are doing work on the object. The work W done on an object by a constant force is defined as W = F·d.
EXPLANATION:
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anorodtk
What force is applied while lifting the bucket? The forces applied when lifting a bucket of water are “muscular force and Gravitational force”.
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ANSWER:
A boy who is lifting a pail of water does work lifting the pail of water and it's force to carry and distance to the water, A boy who carrying books does not work because when you are holding a book, the force you exert is upwards ( to support it's weight ). but when you walk you are moving horizontally, so no work is done on the book.
When you lift something is work being done?
The net force on the object is zero. The force you are exerting is equal in magnitude and opposite in direction to the force of gravity. As you are lifting the object you are doing work on the object. The work W done on an object by a constant force is defined as W = F·d.
EXPLANATION:
Hope it helps
God bless
Take your time to search on Gôôgle Don't be l a z y
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The forces applied when lifting a bucket of water are “muscular force and Gravitational force”.