Question

Name the forces found in the examples given below.

1. The ball rolling on the ground gradually slows down and eventually comes to rest.

2. Lifting the water from the well.

3. Pulling the carriage by the bullock.

4. A car comes to rest when it's engine in switched off.​

Answer 1

Answer:

1 friction

Explanation:

The ball rolling along the ground gradually slows down due to the friction from the medium it is moving on. The ball comes into rest because the friction acts in the opposite direction of the moving ball, slowly the force of the ball become less and the ball finally comes to rest

2 Frictional force which acts on pulley. Explanation: This pulley helps in changing direction of applied force while drawing water form well. When we draw water from well with the help of pulley force which is required to lift a bucket filled with water is compensated by frictional force between rope and pulley.

3 frictional force

4 occurs due to Newton first law of Motion. The force is unbalanced and it will stop. This is called Frictional Force

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