Two Boxes Are Connected to Each Other by a String

question 29

Multiple Choice

Two boxes are connected to each other by a string as shown in the figure. The 10-N box slides without friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true about the tension T in the string?

• A) T = 10 N
• B) T = 20 N
• C) T = 30 N
• D) T < 30 N
• E) T > 30 N

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Definitions:

Compound Name

A name given to a chemical substance based on the types of atoms or groups of atoms it contains.

Carbonyl Group

A functional group consisting of a carbon atom double-bonded to an oxygen atom, commonly found in aldehydes and ketones.

Polarized

Refers to a distribution of electrical charge leading to positive and negative poles within a molecule or chemical bond.

Electrophile

A chemical species that is attracted to electrons and typically accepts an electron pair to form a bond with a nucleophile.