The Magnetic Force F Acting on a Particle Is Given

question 11

Essay

The magnetic force F acting on a particle is given by , where r is the distance from the magnetic source and k is a constant. r is measured to be 2cm with a possible error of ±8%. Estimate the percentage error in F and r.

---

Definitions:

Free Trade

Trade that is unregulated by government tariffs or other artificial barriers; the levels of exports and imports occur naturally, as a result of supply and demand.

Consumer Surplus

The variance between the amount consumers are ready to pay for a good or service compared to the actual price they pay.

International Trade

the exchange of goods and services across international borders or territories.

Autarky

An economic system where a region or country is self-sufficient and does not engage in international trade.