Name a machine which is used to:(a) multiply force,(b) multiply speed

1.	Name a machine which is used to:(a) multiply force,(b) multiply speed and(c) change the direction for force applied.
Answer» (a) Multiply force: a movable pulley. (b) Multiply speed: gear system or class III lever. (c) Change the direction of force applied: single fixed pulley.

Name a machine which is used to:(a) multiply force,(b) multiply speed and(c) change the direction for force applied.

Answer»

(a) Multiply force: a movable pulley.

(b) Multiply speed: gear system or class III lever.