Motion Chapter 10.

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Motion Chapter 10

Describe how your motion has changed as you moved from the school’s entrance into the classroom.

Example: Rashaad travaled 20 meters. Write a sentence that uses the word METER to show its scientific meaning. Example: Rashaad travaled 20 meters.

Motion All matter is constantly in motion. Motion involves a change in position.

Position The car is to the right of the tree. The tree does not move. The car must have moved from one place to another. Therefore, here the tree is considered as the frame of reference. frame of reference – coordinate system used to define motion. An object changes position if it moves in relationship to the frame of reference or reference point.

Position reference point– zero location in a frame of reference. The car is to the right of the tree. The tree does not move. The car must have moved from one place to another. Therefore, here the tree is considered as the frame of reference. frame of reference – coordinate system used to define motion. reference point– zero location in a frame of reference. position – separation between an object and the reference point

Quantities

Categorize each quantity as being either a vector or a scalar 5m 30m/sec. east 5mi. North 20 degree Celsius 256 bytes 4000 Calories

PART ONE DISTANCE & DISPLACEMENT

Distance a measure of the interval between two locations measured along the actual path connecting them

Displacement a vector measure of the interval between two locations measured along the shortest path connecting them

Distance vs. Displacement

PART TWO SPEED & VELOCITY

Types of Speed Average speed is the total distance traveled divided by total time taken. An object’s speed at a particular moment in time is called instantaneous speed. Constant speed occurs when an object travels at a steady rate with the same instantaneous speed for some period of time.