Chapter_2.4_2.5_2.6_2.7_2.8_Quiz

What is the definition of instantaneous acceleration?

• The change in velocity over a long period of time

• The rate at which velocity changes at a specific instant in time

• The total distance traveled divided by total time

• The rate at which position changes at a specific instant

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NGSS.HS-PS2-1

Which of the following best describes average acceleration?

• The velocity at a specific instant

• The total change in velocity divided by the total time taken

• The total distance divided by total time

• The rate at which position changes

What is deceleration?

• Acceleration in the direction of motion

• A constant velocity

• Negative acceleration, or acceleration opposite to the direction of motion

• The rate at which position changes

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NGSS.HS-PS2-1

Which formula is used to calculate acceleration when initial and final velocities and times are known?

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NGSS.HS-PS2-1

What does the slope of a position vs. time graph represent?

• Acceleration

• Displacement

• Velocity

• Time

Which of the following is the correct formula for final velocity of an object under constant acceleration?

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NGSS.HS-PS2-1

What does the y-intercept of a position vs. time graph represent?

• Final velocity

• Initial position

• Acceleration

• Final position

Which of the following best describes free fall?

• Motion with constant velocity

• Motion under the influence of gravity only

• Motion with increasing acceleration

• Motion with no forces acting

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the acceleration due to gravity near the Earth's surface (ignoring air resistance)?

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NGSS.HS-PS2-4