If the mechanical advantage of a lever is 4, how hard will you have to push a lever to lift a 100 N weight?

The softest and hardest minerals are: softest hardest

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.