Which type of machine is used to squeeze a lemon ?
Name the class to which the following lever belong:
A wheel barrow ?
Give one example of class I lever in case where the mechanical advantage is more than 1 ?
What is a lever ?
Given an example of a Class I lever.
Give one example of a machine used to multiply speed.
Give one example of class I lever in case where the mechanical advantage is less than 1 ?
Draw diagrams to illustrate the position of fulcrum, load and effort, in the following a nut cracker ?