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:

Urine

A liquid by-product of metabolism in the bodies of many animals, including humans, expelled through the urethra.

Starvation

A severe deficiency in caloric energy, nutrient, and vitamin intake, leading to extreme suffering or even death.

Extrinsicorporeal

Pertaining to or situated outside the body.

Root

A component of a plant usually situated under the ground, it functions to soak up water and nutrients from the soil.