A Fire Fighting Vehicle of Mass 12,000 Kg Is at Rest

question 32

Multiple Choice

A fire fighting vehicle of mass 12,000 kg is at rest but free to roll with no resistance. If you push it forward with a force of 500 N, the momentum at the end of 10 s of pushing will be

• A) 5000 kg m/s.
• B) 20,000 kg N/s.
• C) 0.416 m/s.
• D) zero.

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Definitions:

Direct Labor Efficiency Variance

A measure that analyses the variance between the actual hours worked and the standard hours set for producing a certain number of units.

Deadbolt Locks

A locking mechanism distinct from spring bolt lock, offering more security by requiring a key or knob to move the lock into the locked and unlocked positions.

Materials Quantity Variance

The difference between the actual and standard quantity of materials used times the standard price.

Materials Price Variance

The difference between the actual price and standard price of raw materials times the actual quantity used or purchased.