This video tutorial covers the basics of reading position vs time graphs, focusing on understanding the slope as velocity. It explains how to interpret different sections of the graph, identifying positive, negative, and zero slopes, and their implications on velocity and direction. The tutorial also includes a quantitative analysis of slopes, demonstrating how to calculate velocity from graph data.

What does the Y-axis represent in a position vs time graph?

• Time

• Velocity

• Acceleration

• Position

In a position vs time graph, what does a straight line indicate?

• Changing velocity

• Constant velocity

• Acceleration

• Deceleration

What is the term used to describe the steepness of a line in a graph?

• Angle

• Gradient

• Incline

• Slope

If the slope of a line in a position vs time graph is zero, what is the velocity?

• Positive

• Negative

• Undefined

• Zero

What does a positive slope in a position vs time graph indicate about the direction of motion?

• Negative direction

• No direction

• Positive direction

• Changing direction

In section 1 of the graph, what is the nature of the velocity?

• Decreasing

• Zero

• Increasing

• Constant

How do you calculate the slope of a line in a position vs time graph?

• Change in X over change in Y

• Change in Y over change in X

• Sum of X and Y

• Difference of X and Y

What is the velocity in section 1 of the graph?

• 0.4 meters per second

• 1.07 meters per second

• 4 meters per second

• 8 meters per second

What is the velocity in section 5 of the graph?

• -1.07 meters per second

• 0 meters per second

• 1.07 meters per second

• 0.4 meters per second

Tags

NGSS.HS-PS2-2

What should you always remember about the slope in a position vs time graph?

• Slope equals time

• Slope equals position

• Slope equals velocity

• Slope equals acceleration