When You Step on the Accelerator to Increase the Speed

question 81

Multiple Choice

When you step on the accelerator to increase the speed of your car, the force that accelerates the car is:

• A)the force of your foot on the accelerator
• B)the force of friction of the road on the tires
• C)the force of the engine on the drive shaft
• D)the normal force of the road on the tires
• E)none of the above

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Definitions:

Exercise

Physical activities intended to improve health, physical fitness, and overall well-being.

Motivation

A need or desire that energizes and directs behavior.

Laboratory Experiments

A method of research conducted in controlled, indoor environments, allowing precise manipulation of variables.

Artificiality

The condition or quality of being artificial or synthetic, as opposed to naturally occurring.