Define potential energy? Calculate the work done in lifting a body of mass 200 g to a height of 50 m. (Take g = 10 m/ s 2)
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Answers
Answer:
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
Answer:
Potential energy is defined as the energy possessed by an object due to its position.
The work done to lift the body is 100 J.
Explanation:
Potential energy is defined as the energy possessed by an object due to its position. It is given by the equation,
P.E = mgh
Where 'm' is the mass of the object, 'g' is the acceleration due to gravity, and 'h' is the height of the object from the ground level.
The mass of the body , m = 200 g = 0.2 Kg
Height to which the body is raised, h = 50 m
The acceleration due to gravity is given as 10 m/s²
Work done to raise the body will be equal to the potential energy of the body.
∴ Work done = mgh
= 0.2 × 10 × 50
= 100 J