A 500-Kg Block Is Being Pulled Up a 13

question 80

Multiple Choice

A 50.0-kg block is being pulled up a 13.0° slope by a force of 250 N which is parallel to the slope, but the block does not slide up the slope. What is the minimum value of the coefficient of static friction required for this to happen?

• A) 0.115
• B) 0.566
• C) 0.654
• D) 0.359
• E) 0.292

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Definitions:

Avogadro's Law

States that equal volumes of gases at the same temperature and pressure contain the same number of molecules.

Equal Volumes

Describes when two or more substances occupy the same amount of space, despite possibly having different shapes or forms.

Balanced Chemical Equation

A symbolic representation of a chemical reaction in which the number of atoms for each element is equal on both the reactant and product sides.

Coefficients

Numerical or constant multipliers that are placed before variables in equations to denote how many units of the variable are involved.