Strange as It May Seem,it Is Just as Hard to Accelerate

question 6

Multiple Choice

Strange as it may seem,it is just as hard to accelerate a car on a level surface on the moon as it is here on the Earth.This is because

• A)the mass of the car is independent of gravity.
• B)the weight of the car is independent of gravity.
• C)Nonsense! A car is much more easily accelerated on the moon than on the Earth.

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Definitions:

Reciprocal Innervation

A neuromuscular phenomenon in which the contraction of one muscle is accompanied by the relaxation of its antagonist muscle.

Subarachnoid Space

The area between the arachnoid membrane and pia mater around the brain and spinal cord, filled with cerebrospinal fluid, providing cushioning and transport of nutrients.

Epidural Space

A fat-filled space surrounding the spinal cord that provides a protective cushion and houses nerves and blood vessels.

Meninges

Three protective membranes that envelop the brain and spinal cord, comprising the dura mater, arachnoid mater, and pia mater.