What type of machine is called a simple machine? Give the names of five simple machines.
Write three advantages of a simple machine.
Write a simple use of each of the followings.
i. Scissors
ii. Axe iii. Chuleshi
iv. Sewing needle v. Hammer
Justify the statement "the use of a simple machine keeps the
danger away".
Which three simple machines are used in your home?
Clarify which machine is used for what type of job.
It is better to use a crow-bar to displace a heavy load than
trying manually without it. Just​

The device which makes our work easier,faster and more convinent is called a simple machine.Any six simple machines are:

Lever,Pulley,Wheel and Axle,Inclined plain,Screw,Wedge

It is better to use a crow bar to displace a heavy load than trying manually because crow bar is a lever which multiplies the effort applied.

i had this before it is proper noun

answer: you should take her on some very fun times to remind her of how much fun she can still have and show her lots of love and affection!

explanation: from past experience this will most likely bring your mom to be happy about life again