Question

Name a machine for each of the following uses:

1. to multiply the force,
2. to change the point of application of force,
3. to change the direction of force,
4. to obtain the gain in speed.

Answer 1

1. Shears are a tool for cutting thin metal sheets; they are a force multiplier.
2. Applying force to the pedal rotates the wheel of a cycle with the aid of a chain.
3. Water is lifted from the well using a bucket that is attached to a single fixed pulley.
4. A set of scissors for cutting the fabric.