Why does energy and work have same unit
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Answered by
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Because work is nothing but change in energy.
E.g.
Work done to move an object from a position where it’s enrgy is 10J to another position where it’s enrgy is 12J is 12J - 10J = 10J
E.g.
Work done to move an object from a position where it’s enrgy is 10J to another position where it’s enrgy is 12J is 12J - 10J = 10J
Answered by
2
Let us look at the following example to understand why the units are same.
Suppose you have a water tank of 1000 litres fitted with a pipe. You have set the pipe on and water is flowing and filling your 10 litre bucket. If you turn the tap off then your bucket won’t be filled but still the tank will have the ability of filling the bucket. Thus if a tank has the ability of filling a 10 litre bucket it can fill it.
You can easily observe that the unit used to measure the ability of the tank (its capacity) is given in litre; this is same as the unit needed to measure the capacity of the bucket.
Energy is the ability of doing work. If a body has energy of 1 joule it can do 1 joule of work. So both of them has the same unit.
Suppose you have a water tank of 1000 litres fitted with a pipe. You have set the pipe on and water is flowing and filling your 10 litre bucket. If you turn the tap off then your bucket won’t be filled but still the tank will have the ability of filling the bucket. Thus if a tank has the ability of filling a 10 litre bucket it can fill it.
You can easily observe that the unit used to measure the ability of the tank (its capacity) is given in litre; this is same as the unit needed to measure the capacity of the bucket.
Energy is the ability of doing work. If a body has energy of 1 joule it can do 1 joule of work. So both of them has the same unit.
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