A 200 Kg Box Slides Down a 12

question 58

Multiple Choice

A 20.0 kg box slides down a 12.0 m long incline at an angle of 30.0 degrees with the horizontal.A force of 50.0 N is applied to the box in the upward direction to try to pull it up the incline.The applied force makes an angle of 10.0 degrees to the incline.If the incline has a coefficient of kinetic friction of 0.00,then the increase in the kinetic energy of the box is

• A) 420 J.
• B) 475 J.
• C) 521 J.
• D) 585 J.
• E) 620 J.

---

Definitions:

Common Resources

Natural or man-made resources that are not owned by anyone, cannot exclude others from using, and are susceptible to overuse and depletion.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they can be used by everyone without diminishing availability to others.

Not Excludable

A characteristic of a good or service where it is difficult or impossible to prevent individuals from enjoying its benefits, even if they do not pay for it.

Not Rival

A characteristic of a good where its consumption by one individual does not reduce availability or quality for others.