AP Physics Classical Mechanics & Kinematics

Question 1

What is the definition of velocity?

Accepted Answer

Speed in a specified direction

Answer

Speed with no direction

Answer

Distance traveled over time

Answer

Acceleration over time

Question 2

What is the acceleration of an object in free fall near the Earth’s surface?

Accepted Answer

9.8 m/s²

Answer

0 m/s²

Answer

10 m/s²

Answer

None of the above

Question 3

What is the formula for calculating velocity in uniform motion?

Accepted Answer

v = Δx / Δt

Answer

v = Δt / Δx

Answer

v = Δx * Δt

Answer

v = Δx + Δt

Question 4

How does friction affect the motion of an object?

Accepted Answer

Decreases speed

Answer

Increases speed

Answer

Doesn’t affect speed

Answer

Changes direction

Question 5

What is the difference between scalar and vector quantities?

Accepted Answer

Scalars have magnitude, vectors have magnitude and direction

Answer

Vector quantities have magnitude only

Answer

Scalar quantities have direction

Answer

Vector quantities are always smaller

Question 6

What does Newton's First Law of Motion state?

Accepted Answer

An object will stay at rest unless a force is applied

Answer

An object needs a continuous force to move

Answer

An object will move indefinitely without any force

Answer

An object moves only under the influence of gravity

Question 7

What is the formula for kinetic energy?

Accepted Answer

KE = 1/2 mv²

Answer

KE = mv²

Answer

KE = m + v

Answer

KE = 1/2 m/v²

Question 8

What is the principle of conservation of momentum?

Accepted Answer

Momentum is conserved in an isolated system

Answer

Momentum is always lost in a collision

Answer

Momentum is always gained in a collision

Answer

Momentum can be destroyed

Question 9

What is the relationship between force, mass, and acceleration?

Accepted Answer

Force equals mass times acceleration

Answer

Force is inversely proportional to mass

Answer

Force equals mass divided by acceleration

Answer

Force is independent of mass