Answer:
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Explanation:
The proteins, lipids, and polysaccharides that make up most of the food we eat must be broken down into smaller molecules before our cells can use them—either as a source of energy or as building blocks for other molecules.
Answer:
a. FTh = 30 N
b. Fw = 30 N
c. a = 200 m/s2
Explanation:
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Answer:
lThe effect of the attraction of the earth on a bigger stone can be observed more than the effect of attraction of the earth on a smaller one. hence it is difficult to lift a large stone than the smaller one on the earth surface.
It is True.
<h3>What system removes and reduces heat caused by friction?</h3>
A mechanical brake applies a friction force to convert the kinetic energy of the vehicle into thermal energy which then dissipates into the atmosphere. Braking systems which don't use friction are referred to as regenerative braking systems (RBSs).
Slowing down is the most common way of controlling the speed of an article by restraining its movement. An item moving has motor energy and to halt the article this active energy should be taken out.
Eliminating the dynamic energy can be achieved by dispersing the energy to the air through grinding or by changing over it into one more type of energy. The most well-known sort of slowing down is a mechanical brake which hinders movement through rubbing brake cushions. A mechanical brake applies a grating power to change over the motor energy of the vehicle into nuclear power which then, at that point, disperses into the atmosphere.
Braking frameworks which don't utilize grinding are alluded to as regenerative slowing mechanisms (RBSs). In RBSs, the active energy is changed over into different types of valuable energy, which can be put away for sometime in the future, expanding eco-friendliness.
To learn more about regenerative braking systems from the given link
brainly.com/question/27799529
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