A 500-Kg Block Is Being Pulled Up a 16 $\mathrm { s } ^ { 2 }$

question 21

Multiple Choice

A 50.0-kg block is being pulled up a 16.0° slope by a force of 250 N that is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the acceleration of the block?

• A)0.528 m/ \(\mathrm { s } ^ { 2 }\)
• B)0.158 m/ \(\mathrm { s } ^ { 2 }\)
• C)0.412 m/ \(\mathrm { s } ^ { 2 }\)
• D)0.983 m/ \(\mathrm { s } ^ { 2 }\)
• E)0.260 m/ \(\mathrm { s } ^ { 2 }\)

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Definitions:

Range

In a general context, it refers to the extent or scope of something, such as variation between upper and lower limits on a particular scale.

Statistically Significant

A determination that a relationship between two or more variables is caused by something other than chance, based on statistical analysis.

Standard Deviations

A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean of the set.

Central Tendency

A statistical measure that identifies a central or typical value for a set of data, commonly represented by the mean, median, or mode.