Question

Statements given below are incorrect . Write the correct statements.
1. In case of lever of 3rd order , The effort arm is always longer than the load arm.
2. A kitchen knife is an example of lever of 3rd order.
3. A wheel borrow is an example of lever of first order.
4. A single fixed pulley is superior than a single movable pulley.
5. A hard grinder is an example of pulley ​

Answer 1

Answer:

i dint under stand

Explanation:

uvgscjhctcihscih