Which of the following are inertial reference frames? Explain.

Part A

A car driving at steady speed on a straight and level road.

Match the words in the left column to the appropriate blanks in the sentences on the right.

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is

is not

$----------$

its speed is not zero

constant speed always means an inertial reference frame

its acceleration is zero

its acceleration is not zero

This car Blank an inertial reference frame because Blank.target $1$ of $2$target $2$ of $2$

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Part B

A car driving at steady speed up a $10$ incline.

Match the words in the left column to the appropriate blanks in the sentences on the right.

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is

is not

$----------$

its speed is not zero

constant speed always means an inertial reference frame

its engine provides a force that causes the car to move up an incline

zero net force acts on it

The car's reference frame Blank inertial because Blank.target $1$ of $2$target $2$ of $2$

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Part C