The Block Shown Moves with Constant Velocity on a Horizontal

question 31

Multiple Choice

The block shown moves with constant velocity on a horizontal surface.Two of the forces on it are shown.A frictional force exerted by the surface is the only other horizontal force on the block.The frictional force is:

• A)0 N
• B)2 N, leftward
• C)2 N, rightward
• D)slightly more than 2 N, leftward
• E)slightly less than 2 N, leftward

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Definitions:

Total Cost

The complete cost of producing or acquiring goods or services, including both fixed and variable components.

Direct Material Quantity Variance

The difference between the expected and actual quantity of materials used in production, affecting the total manufacturing cost.

Direct Labour Rate Variance

The difference between the actual cost of direct labor and the standard cost, which shows how well labor costs are being managed.

Direct Labour Efficiency Variance

The difference between the expected amount of labor hours needed to produce a given level of output and the actual labor hours used.