Forces #3

What is the formula for calculating speed?

Tags

NGSS.MS-PS3-1

Which of the following best defines velocity?

• The rate at which an object changes its position in a specific direction

• The total distance traveled divided by time

• The amount of matter in an object

• The force applied to an object

What is acceleration?

• The speed of an object

• The change in velocity over time

• The distance traveled per unit time

• The direction of motion

Tags

NGSS.MS-PS2-2

Which of the following is a unit for speed?

Tags

NGSS.MS-PS3-1

Which of the following statements is true about speed and velocity?

• Speed has direction, velocity does not.

• Both speed and velocity have direction.

• Velocity has direction, speed does not.

• Neither speed nor velocity has direction.

A car travels 100 meters in 20 seconds. What is its speed?

Tags

NGSS.MS-PS3-1

If a runner moves 50 meters east in 10 seconds, what is her velocity?

Tags

NGSS.MS-PS3-1

Tags

NGSS.MS-PS2-2

Which graph best represents an object moving at a constant speed?

• A straight, horizontal line

• A straight, diagonal line upwards

• A curved line upwards

• A zigzag line