define work ,give SI unit of work, calculate the work done in pushing an iron block through a distance of 4.5 m against the force of friction equal to 200N. also state the type of work done
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work is done when a force produces motion to an object..
SI unit of work is Joule
f= 200N
s= 4.5 m
WD= F×S
= 200×4.5
=900 J
SI unit of work is Joule
f= 200N
s= 4.5 m
WD= F×S
= 200×4.5
=900 J
Answered by
2
work done in moving body is the product of force applied and displacement took place in direction in which the body is moving it's SI unit is joule defined
work done = -4.5×200= - 900 because the work done is against the force of friction so this type of work is negative
work done = -4.5×200= - 900 because the work done is against the force of friction so this type of work is negative
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