Semester 1 Exam Review

Unit 1

Terms

• Length

• Time

• Mass

• SI Units

  • Length: meters (m)

  • Time: seconds (s)

  • Mass: kilograms (kg)

• Scalar

  • a quantity with magnitude only

• Vector

  • a quantity with both direction and magnitude

• Distance

  • total length traveled

• Displacement

  • change in position

• Speed

  • Average Speed= Distance/Time

• Velocity (Instantaneous and Average)

  • Displacement/Time

• Acceleration

  • Is a vector

  • can be positive or negative

  • Change in Velocity/ Time

• Freefall

• Relative Motion

Concepts

• 3 Core measurements of mechanics, including their SI units

Unit 2

Terms

• Force

• Newton’s First Law

• Newton’s Second Law

• Newton’s Third Law

• Intertia

• Weight

• Formal Force

• Net Force

• Tension

• Spring Force

• Kinetic Friction

• Coefficient of Friction

• Arc Length

• Angular Displacement

• Angular Velocity

• Tangential Velocity

• Angular Acceleration

• Torque

• Center of MAss

• Gravitational Atraction

• Universal Gravitation Constatnt

• Centripetal Acceleration ‘

• Orbit

• Centripetal Force

Unit 3

• Work

• Kinetic Energy

• Gravitational Potential Energy

• Spring Potential Energy

• Mechanical Energy

• Conservation of Energy

• Momentum

• Impulse Conservation fo Momentum

• Elastic Collision

• Inelastic Collsision