A push or a pull (force) can make something move or cause it to stop. Hope this helps! :)
F = ma.
Note Force should be = 150 N. Acceleration = 30 m/s2 ( Am presuming for your question you meant to write 30m/s2 and not 30m/s as you wrote)
150 = m ( 30)
150/30 = m.
5 = m
Mass of the object = 5 Kg.
D. Redefine the machine’s system boundaries.
The Law of Conservation of Energy states that energy can't be created not destroyed. Energy, however, can be changed from one form to another. The law applies to isolated systems only. By redefining and expanding the system (including all factors affecting it) , the machine's ability to do work should improve.
Answer:
opposite charges attract each other while same charges repel each other.
~batmans wife dun dun dun.....
