Answer:
4.D.all of them are correct
5. B.Making observation
Heya user☺☺
All options are wrong here.
The correct answer is..
Work/Time.
Hope this will help☺☺
We are given the total volume of liquid equal to 3392.92 cubic inches and a total of 30 glass spheres to be poured in. In this case, we divide the volume by 30 equal to 113.0973 cubic inches. The formula of the volume of a sphere is 4/3 pi r^3. r then is equal to 3 inches in which the diameter should be 6 inches.
The force is in the same direction as the load moves. The force is up and the load moves up. This is the same results without the pulley. A fixed pulley makes work easier because you can pull down instead of pushing something up.