Test 1

Question 1

Motion

Answer 1

Change of object’s position with time

Question 2

Translational motion

Answer 2

Way object moves through space (linear, circular, projectile)

Question 3

Motion diagram

Answer 3

Composite image showing object’s position at several equally spaced instants of time

Question 4

Scalar

Answer 4

Single # w/unit that describes physical quantity (can be +, -, 0)

Question 5

Avg speed vs velocity

Answer 5

Avg speed: distance traveled/time

Avg vel: displacement/time

Question 6

Significant figures

Answer 6

0’s before any number don’t count, after any numbers do, x 10^# isnt a sig fig

Question 7

Uniform motion

Answer 7

Motion along straight line at a constant, unvarying speed(constant velocity)

Question 8

Free fall

Answer 8

Motion of object under influence of gravity only

Question 9

Vector

Answer 9

Quantity having magnitude, direction

Question 10

Scalar

Answer 10

Quantity fully described by a single number w units

Question 11

Centripetal acceleration

Answer 11

Acceleration of uniform circular motion

Question 12

Radial vs tangential accl

Answer 12

Radial-centripetal

Tangential-associated w changing speed