If a body weight 10N is lifted from the floor to a table 2m above the floor ,calculate the potential energy gained.What happens to the energy if the body falls of the table and hits the floor?

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Answer 3

if a body of weight 10n is lifted from a floor to a table 2m above the floor calculate the energy gained by the body

Answer 4

Force is in Newton so
F=ma (where a is acceleration due to gravity)
Potential energy =mgh
P. E= force *h
P. E= 10*2
P. E= 20joules.
(b) there will be a conversation of potential energy to kinetic energy due to its change in position that to motion

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Answer 17

a body of weight 10n is lifted from the floor to a table 2m above the floor, calculate it potential energy gained. What happen to the energy, if the body falls off the table and hit the floor

Answer 18

The potential energy gained by the body can be calculated using the formula,

Potential energy = mass x gravity x height

Here, the mass is not given. But as we know that weight = mass x gravity, we can find the mass of the body using the weight given.

Weight = 10 N

Weight = mass x gravity

10 N = mass x 9.8 m/s²

mass = 1.02 kg

Now, substituting the values in the formula,

Potential energy = 1.02 kg x 9.8 m/s² x 2 m

Potential energy = 20.04 J

So, the potential energy gained by the body is 20.04 J.

If the body falls off the table and hits the floor, the potential energy will be converted into kinetic energy. As the body falls, its potential energy decreases and kinetic energy increases. When it hits the floor, all its potential energy will be converted into kinetic energy. Some of this energy will be dissipated as sound and heat due to the impact.