Notes 1: Measuring Motion

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Presentation transcript:

Notes 1: Measuring Motion

Position This is precisely where an object is located You are here

Distance the total length of the path an object has moved 1 Foot =6 Feet 2 Foot 1 Foot

Displacement the shortest distance from the initial position and the final position 1 Foot 1 Foot 1 Foot =1 Foot 2 Foot 1 Foot

Gravity the attractive force that exists between any two objects that have mass Acceleration due to Gravity on earth is -9.8 m/s2 -9.8 meters per second

Average Speed the average of all instantaneous speeds; calculated by “distance divided by time” 4mph 3mph 5mph 3mph 5 mph = 4 mph

Instantaneous Speed the speed at any given instant in time 4mph 3mph Instantaneous Speed here? = 5 mph

Relative Speed The speed of an object compared to a second object Which One is Faster?

Velocity how fast an object is moving and what direction 20mph Traveling East

Acceleration the rate of change of velocity (Remember: Velocity is speed with direction) 0 – 60mph in 6 seconds

Scalar Measurement of magnitude (size) only Examples: Distance, speed, temperature

Vector Measurement of Magnitude (size) and a direction Examples: Velocity, Change in temperature

Vector/Scalar Video