DO NOW: WHAT IS MEANT BY THE TERM FREE FALL?. Chapter 2.3 Objectives and Vocabulary Describe the motion of an object in free fall. Calculate the speed.

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Presentation transcript:

DO NOW: WHAT IS MEANT BY THE TERM FREE FALL?

Chapter 2.3 Objectives and Vocabulary Describe the motion of an object in free fall. Calculate the speed and distance for an object in free fall. free fall acceleration due to gravity velocity

HOMEWORK READ SECTION2.3 StudyJams

Graphs that show comparisons between distance and time are called distance-time graphs. Constant speed is shown as a straight line on a distance- time graph. Distance-Time Graphs

Lesson 2-2 You can use distance-time graphs to calculate the average speed of an object.

Distance-Time Graphs (cont.) If the speed of an object changes instead of being constant, its motion on a distance-time graph is a curved line.

An object at rest is not moving, so its speed is always zero. Speed-Time Graphs (cont.)

Lesson 3-3 For an object moving at constant speed, the speed-time graph is a horizontal line. Speed-Time Graphs (cont.)

Lesson 3-3 The line on the speed-time graph for an object that is speeding up has an upward slope. Speed-Time Graphs (cont.)

Lesson 3-3 Speed-Time Graphs (cont.) The line on the speed-time graph for an object that is slowing down has a downward slope.

HOMEWORK READ SECTION 2.4 IN CPO TEXTBOOK COMPLETE PAGE 56 #’S 11, 13, 17