Describe an activity to show that work done on an object is converted into kinetic
energy potential energy of the object on the following heads-
Aim
Answers
Answer:
her.
However, due to reaction, the water pushes her in the forward direction. Work is done by Suma.
A donkey is carrying a load on its back: - In this case, force of gravity on the load is acting in the downward direction,
whereas the displacement will be in the horizontal direction i.e., the force and displacement are perpendicular to each other.
There is no displacement in the direction of the force of gravity, and therefore no is work done as there is no displacement.
A wind-mill is lifting water from a well: - The work is done by the wind mill in lifting the bucket of water from the well. The work is done against the force of gravity.
A green plant is carrying out photosynthesis: - No work done is done in this case. As both force and displacement are 0.
An engine is pulling a train: - In this case, an engine is pulling a train parallel to the ground.
The force exerted by the engine is in the direction of displacement of the train.
Thus, the force and displacement are in the same direction. Therefore, work is done .
Food grains are getting dried in the sun: - No work is done in this case as food grains remain at rest.
A sailboat is moving due to wind energy: - The force exerted by the wind on the sail move the boat in the direction of force, hence, positive work is done by wind energy.
Answer:
here is an example for this are you in 9th grade
