Two Cars That Have the Same Mass Are Moving Around

question 16

Multiple Choice

Two cars that have the same mass are moving around a circular track at the same constant speed. The track is perfectly level. If car 1 is at the inner edge of the track and car 2 is at the outer edge, then

• A) the frictional force on car 1 is greater than the frictional force on car 2.
• B) the frictional force on car 1 is less than the frictional force on car 2.
• C) the frictional forces on both cars are equal and greater than zero.
• D) the frictional force on both cars is zero.

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Definitions:

Sodium Gates

Protein channels in cell membranes that open or close in response to signals, allowing sodium ions to pass into or out of the cell.

Membrane Potential

The voltage difference across a cell's membrane, crucial for the transmission of nerve impulses and muscle contractions.

Intracellular

Occurring within or inside a cell, affecting the cell's internal environment or processes.

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another in the nervous system.