A Block Slides Down a Frictionless Incline

question 15

Multiple Choice

A block slides down a frictionless incline.The path at the bottom of the incline is an arc of a circle.The direction of the net force on the block at the bottom of the arc (point P) is along (use the compass rose)

• A)(a)
• B)(b)
• C)(c)
• D)(d)
• E)(e)

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Definitions:

Axon

A type of nerve fiber that is typically long and branches far from the cell body. Its function is to send information away from the cell body.

Cervical enlargement

describes the widened area of the spinal cord in the neck region that contains nerves that supply the arms.

Viscous liquid

A thick and sticky fluid that has a high resistance to flow compared to a less viscous liquid.

Motor neurons

Nerve cells that transmit impulses from the spinal cord or brain to muscles or glands, enabling movements and actions.