An Ideal Spring, with a Pointer Attached to Its End

question 45

Multiple Choice

An ideal spring, with a pointer attached to its end, hangs next to a scale.With a 100-N weight attached, the pointer indicates "40" on the scale as shown.Using a 200-N weight instead results in "60" on the scale.Using an unknown weight X instead results in "30" on the scale.The weight of X is:

• A)20 N
• B)30 N
• C)40 N
• D)50 N
• E)75 N

---

Definitions:

Telemarketing Industry

The industry involving the direct marketing of goods or services to potential customers over the telephone, email or through web conferencing.

Direct Selling

A retail channel where salespeople sell products directly to consumers, bypassing traditional retail locations.

Pampered Chef

A direct seller of high-quality kitchen tools and accessories, offering products through in-home cooking demonstrations.

Social Shopping

A method of e-commerce where users shop in a social networking-like environment, often including user recommendations, group buying, and interactive discussions.