Study the following activity and answer the questions.
1. Take two aluminium channels of different lengths.
2. Place the lower ends of the channels on the floor and hold their upper ends at the same height.
3. Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance.
Questions
At the moment of releasing the balls, which energy do the balls have?
now suppose two aluminium channels of different height are placed and inclined on a floor such that top of both is that same height, as shown in the figure
Now initially both balls are at rest so they do not have any kinetic energy, and both are at some height above the floor, i.e. earth’s surface, so they will have gravitational potential energy as we know the Relation for Potential energy of an object of mass m due to earth’s gravity (g is acceleration due to gravity) held at an height h above ground is
P.E. = mgh
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
