A Stalled Car Is Being Pushed Up a Hill by Three

question 21

Multiple Choice

A stalled car is being pushed up a hill by three people,and it is moving at a constant speed.The net force on the car is

• A)zero.
• B)in the same direction of the car's motion.
• C)in the opposite direction of the car's motion.
• D)None of the above

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Definitions:

Short-term Memory

The ability to retain a limited amount of data in a readily accessible, active condition for a brief duration.

Busy Signal

A repeating tone or signal on a phone line indicating that the line is currently engaged in another call and unavailable.

Implicit

Information or knowledge that is understood or learned without being overtly expressed or declared.

Visual Sketchpad

A component of working memory responsible for holding and manipulating visual and spatial information.