A Flat,horizontal Uniform Plank Is Supported Underneath by a Triangular

question 10

Multiple Choice

A flat,horizontal uniform plank is supported underneath by a triangular wedge which itself rests on flat,level ground.An object that has the same weight as the plank is placed on the left end of the plank.Where must the wedge be placed under the plank in order for the system to be in equilibrium?

• A)1/6 the length of the plank from the left end
• B)1/5 the length of the plank from the left end
• C)1/4 the length of the plank from the left end
• D)1/3 the length of the plank from the left end

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Definitions:

Equal Size

Describes groups or samples having the same quantity or measure.

Number of Calories

The amount of energy provided by the ingestion of food and beverages, measured in calories.

Type of Salad Dressing

Refers to the different varieties of sauces used to flavor salads, including but not limited to Italian, French, and Ranch dressings.

Grouped Frequency Distribution

A way of summarizing data that shows the frequency (or count) of observations within specified groups or intervals.