Answer :
The work required to fill all the shelves is 1.96 × 10³ J
Work is the strength transferred to or from an object via the utility of pressure along a displacement. In its only form, for a steady force aligned with the direction of movement, it equals the made from the force strength and the space traveled.
Calculation:-
given,
mass of each book = 1.30 kg
height = 18 cm = 0.18 m
number of books = 25
potential energy = mgh
work required to fill is Wx = N.mg [ D + 1/2 h + (n-1)H]
= 1.96 × 10³ J
The definition of work in physics is famous for its dating to power – whenever work is executed, power is transferred. paintings are manufactured from the element of the force inside the path of the displacement and the significance of this displacement.
Work is defined as shifting strength into an item so that there may be some displacement. energy is described as the ability to do work. paintings carried out are usually identical. energy can be of various sorts which include kinetic and ability electricity.
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