a. Why does a lawn sprinkler start spinning as soon as water is supplied? State the principle involved.
b. Explain how a horse manages to pull a cart even though action and reaction forces are equal.
b. Explain how a horse manages to pull a cart even though action and reaction forces are equal.
a. The working of the rotation of is based on .
As the water comes out of the nozzle of the sprinkler, an comes into play. So, the sprinkler starts rotating.
b. According to , When a horse pushes the ground, the ground a force on the horse in the direction. This force is friction force of the cart and it moves.
b. According to , When a horse pushes the ground, the ground a force on the horse in the direction. This force is friction force of the cart and it moves.