Find the required force to hold a 4kg block against a wall which it's coefficient friction is 0.3.

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Your answer is 32 hope i  

One splits the atoms and molecules  the other combines them

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.