The Following Four Forces Act on a 4

question 40

Multiple Choice

The following four forces act on a 4.00 kg object:
F₁ = 300 N east
F₂ = 700 N north
F₃ = 500 N west
F₄ = 600 N south
What is the acceleration of the object?

• A) 224 N in a direction 63.4° north of west
• B) 300 N in a direction 63.4° north of west
• C) 300 N in a direction 26.6° north of west
• D) 224 N in a direction 26.6° north of west
• E) 2100 N in a direction 26.6° north of west

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Definitions:

Dependent Variable

A variable in an experiment or study that is expected to change in response to changes in another variable (the independent variable).

Holding Constant

Holding constant is a method used in analysis where certain variables are kept unchanged in order to isolate the effects of other variables.

Independent Variables

Variables in a statistical model that are presumed to influence or cause changes in another variable, without being affected by it.

Increase

Increase refers to the action of becoming larger or greater in size, number, value, or amount.