Question

Give some practical examples of an application of couple.

Answer 1

Following are the examples which utilize couple forces:

1. Forces exerted by one's hand on a screw-driver.

2. Forces exerted by the tip of a screw-driver on the head of a screw.

3. Forces applied while opening and closing the cap of a bottle.

4. Forces applied while turning a water tap, cork screw, door key.

5. Forces applied to the steering of a car.

6. Forces applied to the pedals of a bicycle.