Two Weights Are Connected by a Massless Wire and Pulled

question 71

Multiple Choice

Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P.The tension in the wire is T (see figure) .P is closest to

• A) 25 N.
• B) 125 N.
• C) 187.5 N.
• D) 245 N.
• E) 1225 N.

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Definitions:

Ideal Pesticide

A hypothetical pesticide that effectively targets and eliminates pests without causing harm to humans, non-target species, or the environment.

Genetic Resistance

The ability of an organism to naturally withstand environmental pressures, diseases, or pests through inherited characteristics.

Synthetic Pesticides

Man-made chemicals used to kill or control pests that affect plants, animals, and humans.

Genetic Resistance

The ability of an organism to naturally resist diseases, pests, or harsh environmental conditions due to its genetic makeup.