A 100-Kg Block Is Pushed Up a 30 ^o

question 66

Multiple Choice

A 100-kg block is pushed up a 30 ^o incline that is 10 m long. If the coefficient of friction between the block and the incline is 0.1, the constant force parallel to the incline that is required to move the block from rest at the bottom of the incline to the top in 3 s is approximately

• A) 0.49 kN.
• B) 0.085 kN.
• C) 0.22 kN.
• D) 0.80 kN.
• E) 0.58 kN.

---

Definitions:

Total Utility

The total satisfaction or happiness derived by a consumer from consuming a certain quantity of goods or services.

Additional Coffee

An increment in the quantity of coffee, considered as an example of a product or commodity in economic studies.

Marginal Utility

The additional joy or advantage obtained from using one more unit of a good or service.

Diminishing

A principle that refers to a decrease or reduction in the effectiveness, value, or quantity of something over time or under certain conditions.