## Kinematics Flashcards AP Physics 1

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[h] AP Physics 1 – Kinematics – Flashcards

[q] **Displacement V/s Distance **

[a]

[q] **Velocity and Acceleration**

[a]

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[q] What is a scaler quantity?

[a] A scalar quantity has magnitude (size) only. Examples: mass, temperature, time, speed, distance.

[q] What is a vector quantity?

[a] A vector quantity has both magnitude (size) and direction. Examples: velocity, acceleration, force, displacement.

[q] What is the resultant vector?

[a] The resultant vector is the sum of two or more vectors.

[q] What are examples of physical quantities can be represented as vectors?

[a] Displacement, Velocity, Acceleration, Force, Momentum

[q] What are examples of physical quantities that can be represented as scalars?

[a] Mass, work, energy, power

[q] What do you do for vector addition (vectors A and B)

[a] Put the tip of vector A to the end of vector B and find the third side to find the resultant vector

[q] What do you do for vector subtraction (vector A – vector B)

[a] Flip vector B, put the tip of vector A to then end of vector B and find the third side to find the resultant vector

[q] How far an object actually moves

[a] Path Length

[q] How far an object actually moves

[a] Path Length

[q] An object’s change in position

[a]

Displacement

[q] How fast

Always positive

[a] Speed

[q] Where an object is, in terms of a well-chosen origin.

[a] Position

[q] Displacement over time

[a] Velocity

[q] Change in velocity / Time

[a] Acceleration

[q] Speeding up in positive direction

Slowing down in negative direction

[a] Positive Acceleration

[q] Displacement over time

[a] Velocity

[q] Tells you the direction of travel

[a]

Positive vs. Negative Velocity

[q] Slowing down in positive direction

Speeding up in negative direction

[a] Negative Acceleration

[q] This slope equals acceleration

[a] Slope of Velocity vs. Time

[q] This slope equals velocity

[a] Slope of Position vs. Time

[q] This area equals change in position

[a] Area of Velocity vs. Time

[q] \(V_{x} = V_{x0}t+a_xt\)

\(x=x_0 + V_{x0}t +\frac{1}{2}a_xt^2\)

\(V_{x}^2 =V_{x0}^2-2a_x (X-X_0)\)

[a] Horizontal Kinematic Equations

[q] What are these variable

\(V_{Y0}=\)

\(V_Y=\)

[a] Vertical Variables

[q]

\(V_{X0}=\)

\(V_X=\)

[a] Horizontal Variables

[q] The only force on an object is gravity

[a] Free Fall

[q] On Earth, -9.8 m/s^{2}

[a] Acceleration due to Gravity

[q] Has both magnitude and direction

[a] Vector

[q] Has only magnitude (just a number)

[a] Scalar

[q] The answer to a vector addition problem

[a] Resultant

[q] Used to add together perpendicular vectors

[a] Pythagorean Theorem

[q] Flips the direction of a vector

[a] Negative of a Vector

[q] An object that is thrown or launched

[a] Projectile

[q] The shape of a projectile’s trajectory

[a] Parabola

[q] The path an object follows

[a] Trajectory

[q] Add up to 90 degrees

[a] Complementary Angles

[q] The absolute value of displacement

[a] Distance

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