Translational Motion Flashcards
Units, Dimensions, Vectors, Velocity, Acceleration
Standard Unit of Time (t)
Second (s)
Standard Unit of Distance (d)
Meter (m)
Standard Unit of Displacement (x or y)
Meter (m)
Standard Unit of Speed (v)
Meters/Second (m/s)
Standard Unit of Acceleration (a)
Meters/Second² (m/s²)
Vectors have a ____
Vectors have a DIRECTION
Add vectors with the ____ of A touching the ____ of B
Add vectors with the HEAD of A touching the TAIL of B
When adding 2 vector quantities (A, B) that form a triangle, the new vector quantity (C) can be found using the equation: ____
When adding 2 vector quantities (A, B) that form a triangle, the new vector quantity (C) can be found using the equation: C² = A² + B²
Velocity is ____ with a _____
Velocity is SPEED with a DIRECTION
Average velocity is given by the equation: ____
Average velocity is given by the equation: v = d/t
Instantaneous velocity is given by the equation: ____
Instantaneous velocity is given by the equation: v = ∆x/∆t
Acceleration is defined as: ____
Acceleration is defined as: a = v/t
Positive acceleration means ____
Negative acceleration means ____
Positive acceleration means acceleration
Negative acceleration means deceleration
Acceleration occurs ONLY when there is a change in ____
Acceleration occurs ONLY when there is a change in velocity
Acceleration in the opposite direction of velocity means the object is ____
Acceleration in the opposite direction of velocity means the object is decelerating
