Answer:
A man exerted a push of 500 N.A.will he able to move the wheel barrow?
The man would bot be able to move the wheel barrow because, the force which he exerted is less than the force at which the barrow is resting.
B.suppose another man tried to help him and exerted a force of 500 N.will they able to move the wheel barrow?
No, the force which both of them exerts on the wheelbarrow will be equal to the force at which the wheelbarrow containing the stone is when at rest.
C.another man saw their struggle in pushing the wheel barrow.he tried to help them.he exerted force of 400 N.will the three of them move the wheel barrow?
Yes, the three men would now be able to move the wheelbarrow since their total forces is greater than the force of the wheelbarrow containing the stones.
Explanation:
It was the idea of wanting to have the individual states be more powerful than the federal government that guided the development of the articles of confederation, which is why they later proved to be inadequate and were replaced with the Constitution.
This quote makes clear that there is a very clear hierarchy at the Executive Branch.
Only the truly hard decisions are left to the President. Most decisions in the Executive Branch are taken care of by people who are, as President Obama put it, "down the food chain".
Answer :C. They sailed up the navigable rivers of Europe and across the Atlantic in longships.
