Newton's Second Law: a Construction Worker Pulls a Box of Tools

question 5

Essay

Newton's second law: A construction worker pulls a box of tools on a smooth horizontal floor with a force of 100 N in a direction of 37.0° above the horizontal. The mass of the box and the tools is 40.0 kg.
(a) Draw a free-body diagram for the box.
(b) Calculate the acceleration of the box.
(c) How hard does the floor push up on the box?

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Definitions:

Supply Curve

A graph showing the relationship between the price of a good and the quantity of that good that sellers are willing to supply.

Perfectly Inelastic

Describes a situation in which the quantity demanded or supplied does not change in response to a price change.

Demand Determined

implies that the quantity and price of goods and services are decided by the consumers' demand or preferences in the market.

Equilibrium Price

The price at which the quantity of goods supplied is equal to the quantity of goods demanded.