When Two Solid Spheres of the Same Material and Same

question 43

Multiple Choice

When two solid spheres of the same material and same radius r are in contact, the magnitude of the gravitational force each exerts on the other is directly proportional to

• A) r.
• B) r².
• C) r³.
• D) r⁴.
• E) r⁶.

---

Definitions:

Ultrahazardous Activity

involves actions or operations that inherently pose significant risk of causing substantial harm, for which those involved may be held strictly liable for any damages.

Comparative Negligence

Comparative negligence is a legal doctrine that reduces the amount of damages a plaintiff can recover in a negligence-based claim, based upon the degree to which the plaintiff's own negligence contributed to the cause of their injury.

Assumption of Risk

A legal doctrine stating that an individual knowingly and voluntarily takes on the risks associated with an activity, relieving others of liability for harm that may result.

Take-Home Exposure

Refers to the transmission of hazardous substances from the workplace to an employee's home, potentially exposing family members to health risks.