Question

D.True/False: 1. Mass of a body is a variable quantity, which changes with the change in acceleration due to gravity of the earth. 2. A movirg object can't have more than one type of action. 3.The mass of a body can never be zero. 4.An object is said to be in motion if its positor remains same with respect of time.​

Answer 1

Answer:

1) false (MASS is always constant)

2)true

3)true

4)false(change in position with respect to time is know as motion)

Explanation:

I wish all of them are. Correct... Btw I'm in tenth.. Just rying to remember concepts of ninth..!!