Five Forces Act on a Rod That Is Free to Pivot

question 2

Multiple Choice

Five forces act on a rod that is free to pivot at point P,as shown in the figure.Which of these forces is producing a counter-clockwise torque about point P? (There could be more than one correct choice. )

• A)force A
• B)force B
• C)force C
• D)force D
• E)force E

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Definitions:

Alternative Hypothesis

A hypothesis that proposes a specific relationship between variables, suggesting that there is an effect or a difference that is in contrast to the null hypothesis.

One-way ANOVA

A statistical technique that compares the means of three or more independent (unrelated) groups to determine if at least two of them differ significantly.

Republicans

A member of the Republican Party, one of the two major political parties in the United States.

Alternative Hypothesis

A statement that contradicts the null hypothesis and is assumed to be true if the null hypothesis is rejected by a statistical test.