Constant Acceleration Basics

the motion of a falling object when air resistance is negligible

• acceleration

• instantaneous acceleration

• free-fall acceleration

• free fall

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NGSS.HS-PS2-4

the change in velocity of an object at an instant of time

• average acceleration

• instantaneous acceleration

• acceleration

• free-fall acceleration

the acceleration of a falling object that results from the influence of Earth’s gravity

• free-fall acceleration

• instantaneous acceleration

• acceleration

• average acceleration

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

the rate at which an object’s velocity changes

• average acceleration

• acceleration

• velocity-time graph

• instantaneous acceleration

the change in velocity of an object during some measurable time interval divided by that time interval

• average acceleration

• free-fall acceleration

• instantaneous acceleration

• acceleration

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NGSS.HS-PS2-1

a graph that shows how velocity is related to time

• acceleration

• instantaneous acceleration

• velocity-time graph

• free fall

If you close your eyes and feel as if you are not moving, you may be experiencing ____ .

• nonuniform motion

• uniform motion

• acceleration

• circular motion

Changing velocity on a particle model is shown using ____ .

• a varying time scale

• the length of the acceleration vectors

• scalar values of the position

• the length of the velocity vectors

Which of the following results in the largest acceleration?

• a small change in velocity over a short time interval

• a large change in velocity over a short time interval

• a small change in velocity over a long time interval

• a large change in velocity over a long time interval

Tags

NGSS.HS-PS2-1

Average acceleration is the same as instantaneous acceleration when ____ .

• acceleration is constant

• a distance-time graph can be drawn

• acceleration is changing

• a velocity-time graph can be drawn