A 10-Kg Box Is Pushed Up a Plane Inclined at 37^o

question 33

Multiple Choice

A 10-kg box is pushed up a plane inclined at 37^o with the horizontal. The box starts from rest and is pushed 5.0 m along the incline with a uniform acceleration of 2.0 m/s². The coefficient of kinetic friction is 0.20 and the pushing force is parallel to the plane. The increase in the potential energy of the box is

• A) 0.10 kJ
• B) 0.29 kJ
• C) 0.36 kJ
• D) 0.46 kJ
• E) 0.39 kJ

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Definitions:

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard quantity expected, multiplied by the standard cost per unit.

Direct Labor Time Variance

The difference between the actual time taken to complete a task and the standard time expected, multiplied by the labor rate.

Factory Overhead Volume Variance

The difference between the budgeted and actual volume of production, affecting the allocation of fixed manufacturing overhead costs to products.

Direct Materials Price Variance

A measure used in cost accounting that calculates the difference between the actual cost of direct materials and the standard cost expected to be incurred.