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:
D.The new canals increased production cost.
How i know this:I took the test
Beneficios: Introdujo el Catolicismo a América
Desventajas: Perdimos nuestras religiones y costumbres
Beneficios: Pudo ser globalizado el continente y obtuvo una apertura al mundo avanzado lo cual le permitio el avanze economico acorde con las del mundo.
Desventajas: Las poblaciones de las grandes naciones americanas fueron azotadas por las enfermedad y la discriminación mientras que los nativos americanos del norte fueron expulsados de sus tierra y encerrados en recerbaciones.
Espero que te haya ayudado! Si necesitas algo más preugntame! :)
It's a. The British thought they were going to win the war the whole way but the British loss at Saratoga made the French think that if they joined forces with the us rebels that the over powering British forces could be taken down.