A 40-Kg Mass on the End of a String Rotates in in a Circular

question 21

Multiple Choice

A 4.0-kg mass on the end of a string rotates in a circular motion on a horizontal frictionless table. The mass has a constant speed of 2.0 m/s and the radius of the circle is 0.80 m. What is the magnitude of the resultant force acting on the mass?

• A) 39 N
• B) 20 N
• C) 44 N
• D) 0 N
• E) 30 N

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Definitions:

Binuclear Families

Families created when two households share in raising children, such as two divorced parents who have remarried.

Blended Families

Families formed by the merging of parents with children from previous relationships, creating new kinship bonds.

Physical Custody

A legal term referring to the right of a parent or guardian to have a child live with them.

Legal Custody

Involves the rights and responsibilities of a parent or guardian to make major decisions concerning the child's welfare, including education, healthcare, and religious training.