Object a Is Acted on by Only Object B

question 28

Multiple Choice

Object A is acted on by only object B. The mass of object A is 20.0 kg and its acceleration is 4.00 m/s² west. Object B is acted on by two forces, the force of object A on object B and another unknown force. If mass of object B is 40.0 kg and the acceleration of object B is 3.00 m/s² west, what is the unknown force?

• A)40 N west
• B)120 N west
• C)80 N east
• D)200 N west
• E)80 N west

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Definitions:

Direct Format

A method of communication that places the main idea or conclusion at the beginning, followed by supporting details.

Indirect Message

Communication that conveys a point in a roundabout way, often to soften the delivery of sensitive or unwelcome news.

Reinforcing Position

Strengthening or reaffirming one's stance or argument, often in the context of a debate or negotiation.

Guidelines

Set of principles or instructions designed to inform how something should be done or what actions should be taken in specific situations.