Mechanics Units Quiz

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Questions and Answers

What is the unit used for distance or radius?

  • kg
  • N
  • s
  • m (correct)

What is the variable for the unit of time?

t

What does m/s represent?

meters per second

What unit is used for angle measurement?

<p>° (B)</p> Signup and view all the answers

What unit is used for acceleration?

<p>m/s^2</p> Signup and view all the answers

What is the variable for mass?

<p>m</p> Signup and view all the answers

What unit is used for momentum?

<p>kg*m/s</p> Signup and view all the answers

What is the unit used for impulse?

<p>N*s</p> Signup and view all the answers

What unit is used for the spring constant?

<p>N/m</p> Signup and view all the answers

What does N represent in mechanics?

<p>force</p> Signup and view all the answers

What is Joule used for?

<p>work or energy</p> Signup and view all the answers

What is the unit for power?

<p>W (Watt)</p> Signup and view all the answers

What unit is used for torque?

<p>N*m</p> Signup and view all the answers

What does rad/sec measure?

<p>rotational velocity/speed</p> Signup and view all the answers

What is rad/sec^2 used for?

<p>rotational acceleration</p> Signup and view all the answers

What unit is used for angular displacement?

<p>radians</p> Signup and view all the answers

What does kg*m^2/s represent?

<p>angular momentum</p> Signup and view all the answers

What is the unit for rotational inertia?

<p>kg*m^2</p> Signup and view all the answers

What does C represent in electricity?

<p>charge</p> Signup and view all the answers

What unit measures current?

<p>A (Ampere)</p> Signup and view all the answers

What is the unit for voltage?

<p>V (Volt)</p> Signup and view all the answers

What is N/C used for?

<p>electric field</p> Signup and view all the answers

What does Ohm measure?

<p>resistance</p> Signup and view all the answers

What is the unit for capacitance?

<p>F (Farad)</p> Signup and view all the answers

What unit is used for magnetic field strength?

<p>T (Tesla)</p> Signup and view all the answers

What does Wb represent?

<p>magnetic flux</p> Signup and view all the answers

What unit is used for frequency?

<p>Hz (Hertz)</p> Signup and view all the answers

What unit measures the period of oscillation?

<p>s (seconds)</p> Signup and view all the answers

What does m represent in wavelengths?

<p>meter</p> Signup and view all the answers

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Study Notes

Mechanics Units

  • Meter (m): Represents distance or radius; variables include d, r, x, y, z, w, h, l.
  • Seconds (s): Measures time; variable t.
  • Meters/Second (m/s): Indicates speed or velocity; variables are s, v, v(f), v1.
  • Degree (°): Used for angles; variables include 𝛉 (theta) and ϕ (phi).
  • Meters/Second Squared (m/s²): Represents acceleration; variable a.
  • Kilogram (kg): Unit for mass; variable m.
  • Kilogram Meters/Second (kg*m/s): Represents momentum; variable p.
  • Newton Seconds (N*s): Used for impulse; variable J.
  • Newton per Meter (N/m): Indicates spring constant; variable k.
  • Newton (N): Measures force; variable F.
  • Joule (J): Unit for work or energy; components include KE (Kinetic Energy), PE (Potential Energy), W (Work).
  • Watt (W): Represents power; variable P.
  • Newton-Meter (N*m): Indicates torque; variable 𝛕 (tau).
  • Radians per Second (rad/sec): Used for rotational velocity/speed; variable ⍵ (omega).
  • Radians per Second Squared (rad/sec²): Represents rotational acceleration; variable ⍺ (alpha).
  • Radians: Measures angular displacement; variable 𝛉 (Theta).
  • Kilogram Meters Squared per Second (kg*m²/s): Indicates angular momentum; variable L.
  • Kilogram Meters Squared (kg*m²): Represents rotational inertia; variable I.

Electricity Units

  • Coulomb (C): Measures electric charge; variables are q or Q.
  • Ampere (A): Represents electric current; variable I.
  • Volt (V): Indicates electric voltage; variable V.
  • Newton per Coulomb (N/C): Measures electric field strength; variable E.
  • Ohm (Ω): Indicates electrical resistance; variable R.
  • Farad (F): Represents capacitance; variable C.
  • Tesla (T): Measures magnetic field strength; variable B.
  • Weber (Wb): Indicates magnetic flux; variable ɸ (uppercase phi).

Waves Units

  • Hertz (Hz): Measures frequency; variable f.
  • Seconds per Wave or Oscillation (s): Represents period; variable T.
  • Meter (m): Indicates wavelength; variable ƛ (lambda).

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