In the Figure,a Constant External Force P = 160 N

question 61

Multiple Choice

In the figure,a constant external force P = 160 N is applied to a 20.0-kg box,which is on a rough horizontal surface.While the force pushes the box a distance of 8.00 m,the speed changes from 0.500 m/s to 2.60 m/s.The work done by friction during this process is closest to

• A)-1040 J.
• B)+1110 J.
• C)+1170 J.
• D)+1040 J.
• E)-1170 J.

---

Definitions:

Ethical

Relating to morals, focusing on right and wrong conduct.

Categorical Imperative

A central concept in the ethical philosophy of Immanuel Kant, stating that one should act only according to that maxim whereby you can, at the same time, will that it should become a universal law.

Motives of Vanity

The driving factors behind actions that are primarily focused on excessive pride in one's appearance or achievements.

Sake of Duty

Acting based on a sense of moral obligation rather than personal desire, interest, or consequence.