1D Kinematics Concepts

For which one of the following motions is the object’s displacement different than the distance traveled?

• A football coach paces back and forth along the sidelines.

• The plane moves from a low speed to a high speed along the runway.

• Jeremy darts straight down the hallway at a constant speed.

Which of the following two objects have the same speed value? Bubble in two letters.

• An object travels 20 miles in 4 hours.

• An object travels 40 miles in 4 hours.

• An object travels 20 miles in 2 hours.

• An object travels 40 miles in 2 hours.

Tags

NGSS.MS-PS3-1

Which one of the following statements is true of an object that has an acceleration of 6 m/s/s?

• The object moves a distance of 6 meters each second.

• The object changes its velocity by 6 m/s each second.

• The object moves with a constant speed of 6 m/s.

• The object changes its velocity by 6 m/s.

Tags

NGSS.MS-PS2-2

Which one of the following is true of an object that has an acceleration that is in the opposite direction as its velocity?

• The object is speeding up.

• The object is slowing down.

• The object is moving downward.

• The object is moving in a circle.

Tags

NGSS.HS-PS2-1

A car's velocity after each consecutive second of motion is 2 m/s, 4 m/s, 6 m/s, 8 m/s. This is evidence that the car is ____.

• moving with a constant speed

• moving with a constant acceleration

• moving with a constant velocity

A runner does the following motion in 10 seconds:

i. walks 2 m, south

ii. walks 4 m, east

iii. walks 2 m, north

iv. walks 4 m, west.

What is the average velocity of the object?

• 0.0 m/s

• 0.3 m/s

• 0.6 m/s

• 1.2 m/s

• 3 m/s

Identify the following quantity as being either a scalar or a vector:

55 mi/hr, west

• Scalar

• Vector

• Neither

An object that is NOT accelerating MUST ____.

Select all that apply.

• be moving and moving with a constant speed

• be changing its direction

• be maintaining a constant velocity.

• be at rest

• none of these

A  car starts from rest and after  7 seconds it is moving at 42  m/s. What is the car’s acceleration?

• 0.17
• 1.67
• 6
• 7

Tags

NGSS.HS-PS2-1

What is the acceleration of an object moving at constant velocity?

• 2 m/s²

• 1 m/s²

• 0 m/s²

• 0.8 m/s²