Question

(2)The acceleration due to gravity decreases with ______ in depth from the surface
(3) The SI unit of work done is ________
(4) The total energy of the swinging pendulum remains
______at all the points.​

Answer 1

Answer:

linearly

joule

in a simple pendulum with no friction, mechanical energy is conserved. Total mechanical energy is a combination of kinetic energy and gravitational potential energy. As the pendulum swings back and forth, there is a constant exchange between kinetic energy and gravitational potential energy.

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