True or false (2 points each)
1.A pulley is a grooved wheel that turns around an axle which is held in place by a
mounting bracket.
2. An inclined plane is another kind of simple machine. It is a plane tilted in an angle with
one end higher than the other.
3. Screw is a spiral inclined plane. It is composed of cylindrical body with a spiral ridge
called thread
4. Wedges are typically good for cutting and piercing.
5.Simple machine is any device that can make our work easier and faster by reducing the
effort of force in doing the work.​