A Heavy Truck and a Small Car Rolling Down a Hill

question 46

Multiple Choice

A heavy truck and a small car rolling down a hill at the same speed are forced to stop in the same amount of time.Compared to the force that stops the car,the force needed to stop the truck is

• A)greater.
• B)smaller.
• C)the same.

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Definitions:

Leptin

A hormone produced by adipose cells that helps to regulate energy balance by inhibiting hunger, thereby helping to regulate body weight.

Two-Factor Theory

A theory that asserts emotion arises from physiological arousal followed by a cognitive label of that arousal, proposed by Stanley Schachter and Jerome E. Singer.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for rapid response to stressful or emergency situations by increasing heart rate and blood flow, among other effects.

Cannon-Bard Theory

A theory of emotion proposing that emotions and physiological responses like sweating or trembling happen simultaneously.