Two Protons (P₁ and P₂) and an Electron (E) Lie $\rightarrow$

question 48

Multiple Choice

Two protons (p₁ and p₂) and an electron (e) lie on a straight line, as shown. The directions of the force of p₁ on e, the force of p₂ on e, and the total force on e, respectively, are:

• A) \(\rightarrow\), \(\leftarrow\) , \(\rightarrow\)
• B) \(\leftarrow\) , \(\rightarrow\), \(\rightarrow\)
• C) \(\rightarrow\), \(\leftarrow\) , \(\leftarrow\)
• D) \(\leftarrow\) , \(\rightarrow\), \(\leftarrow\)
• E) \(\leftarrow\) , \(\leftarrow\) , \(\leftarrow\)

---

Definitions:

Marginal Benefit

The extra pleasure or benefit gained by a person when they consume one more unit of a specific product or service.

Moral Hazard

The situation where one party is involved in a risky event beyond their control but is protected against the risk because another party bears the cost of those risks.

Video Game Maker

A company or individual specializing in the development and publishing of video games for various platforms.

Producer Surplus

Sum over all units produced by a firm of differences between the market price of a good and the marginal cost of production.