Block A, with a Mass of 50 Kg, Rests on a Horizontal

question 25

Multiple Choice

Block A, with a mass of 50 kg, rests on a horizontal table top. The coefficient of static friction is 0.40. A horizontal string is attached to A and passes over a massless, frictionless pulley as shown. The smallest mass m_B of block B, attached to the dangling end, that will start A moving when it is attached to the other end of the string is:

• A) 20 kg
• B) 30 kg
• C) 40 kg
• D) 50 kg
• E) 70 kg

---

Definitions:

Mutual Loyalty

A reciprocal relationship where two or more entities demonstrate steadfast allegiance and support to one another.

Long-Term Friendships

Relationships between friends that are characterized by a long duration, deep emotional connection, and mutual support over the years.

Peer Groups

A social group consisting of individuals of similar age, status, interest, or education, which significantly influences the behavior and attitudes of its members.

Consequences

The results or outcomes of an action or condition, often considered in the context of negative results.