Question

7. A simple pendulum of length 1 m has a bob
of mass 10 g. Find the work done in moving
the pendulum from a vertical position to a
horizontal position. Take g = 10 m/s?.​

Answer 1

Answer:

1 Joule

Explaination:

Length or Height = 1 metre

1 Kilogram = 1000 gram

so,

10 gram = 0.1 Kilogram

mass = 0.1 Kilogram

g = 10 m/s

P.E = mgh

P.E = 0.1×10×1

P.E = 1 Joule

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