201 Definitions & Formulas

 

Chapter 1:  Physics & Measurement

D1

1-1   What are the SI units of length, mass and time, and how are these quantities defined?

1-2   What is the rule for significant figures when multiplying and dividing two numbers together?

1-3   What is the rule for significant figures when adding or subtracting them?

1-4   Define density.

 

Chapter 2:  Motion in One Dimension

D2

2-1   Define position.

2-2   Define displacement.

2-3   Define distance.

2-4   Define average speed.

2-5   Define average velocity.

2-6   Define instantaneous speed.

2-7   Define instantaneous velocity.

 

D3

2-8   Define average acceleration.

2-9   Define instantaneous acceleration.

2-10  State the three kinematic equations of motion for constant acceleration.

2-11  What kind of a problem is a Òfalllng body problemÓ?

 

Chapter 3:  Vectors

D4

3-1   Define a vector quantity.

3-2   Define a scalar quantity.

3-3   Explain in words and pictures how to add two vectors graphically.

3-4   Explain in words and pictures how to subtract two vectors graphically

3-5   Explain how to add two vectors algebraically.

 

Chapter 3:  Motion in Two Dimensions

D5

3-6   What exactly is meant by  Òtwo dimensional motionÓ ?

3-7   Explain what projectile motion is.

 

Chapter 4:  The Laws of Motion

D6

4-1  Explain the difference between mass and weight.

4-2 Explain how an object can be moving and have no net force acting upon it.

4-3 Explain what an Òinertial reference frameÓ is.

4-4 State NewtonÕs three laws of motion.

4-5 What is a Òfree body diagramÓ?

 

D7

4-6 What is a normal force Fn = n (in text) acting on an object and why is it called normal?

4-7 Defend or disprove: 

            Static Friction force Fs = µsFn

            Kinetic Friction force Fk =  µkFn

4-8  The direction of the kinetic friction force is always ______ the direction of motion.

 

Chapters 5:  Mechanical Work

D8

5-1  Define work done by a constant force on a system.

5-2 Define work done by a varying force on a system.

5-3 Give two different formulas for the dot product (scalar product) of two vectors.

5-4 Force due to a HookeÕs Law Spring is defined by Fs = _________.

5-5 Work done by a spring on an object is Ws= ____________.

 

D9

5-6 Kinetic energy is energy due to ___________.

5-7 Give the formula for kinetic energy, K = __________.

5-8 State the work – kinetic energy theorem in words and equation form.

5-9 Define power.

 

Chapter 5:  Potential Energy

D10

5-10  Define gravitational potential energy,

5-11  Define spring potential energy,

5-12     Ko

            Ugo=

            Uso =

            W

            K

            Ug =

            Us  =

            ÆUint =

           

5-13 Total Mechanical Energy of an isolated system is E = ______________

 

Chapter 6: Momentum & Impulse

D11

6-1  Define linear momentum.

6-2 State the law of conservation of momentum.

6-3 Define Impulse.

6-4 Give 2 formulas for Impulse.

6-5 State the Momentum-Impulse Theorem

D12

6-6 Define a perfectly elastic collision.

6-7 Define a perfectly inelastic collision.

6-8 Give the formula for final velocity vf in a perfectly inelastic collision.

6-9 Give the formula for the final velocity v1f and v2f in a perfectly elastic collision.

 

D13

Chapter 7 Rotation of a rigid object about a fixed axis

 

7-1 What is the formula for arc length ?

7-2 Define a radian.

7-3 Give dimensions of a radian.

7-4 Define average angular speed.

7-5 Define instantaneous angular speed.

7-6 Define angular acceleration.

7-7 State the 3 kinematic equations of rotational motion with constant angular acceleration.

 

D14  Rotational Motion II

7-8  State the formula for linear velocity v and tangential acceleration at in terms of r, w, and a.

7-9 Define centripetal acceleration and give a formula for it in terms of speed v and radius r.

7-10       Forces causing centripetal acceleration always are directed toward the ___________.

7-11       Hence the positive direction in a circular motion problem is always __________.

7-12       Define moment of inertia I.

7-13       State the formula for I for a point mass with mass m and moment arm r.

 

D15

Chapter 8  Torque & Moment of Inertia

8-1 Define torque

8-2   State formula for torque t.

8-3   Explain what moment arm is.

8-4  Which direction of rotation is positive for torque?

 

Chapter 8:  Static Equilibrium

D16

8-5 tate the two conditions for static equilibrium.

8-6 State the formula for the x coordinate of the center of gravity of a finite set of point masses.

8-7 What is the first and most important step in solving a statics problem?

 

 

Chapter 8:  Torque & Angular Acceleration

D17

8-8 State the formula for torque in terms of m, r, & a.

8-9 State the formula for I for a:

8-10       Point mass with mass m and moment arm r,

8-10.1   solid disk

8-10.2   solid sphere

8-10.3   hollow disk (hoop)

8-10.4   hollow sphere

8-10.5   rod if pivot is in itÕs center of mass.

8-10.6   rod if pivot is at itÕs end.

8-12 Write down the formula for rotational kinetic energy of a rotating object with moment of inertia I and angular speed w.

 

Chapter 8.  Angular momentum

D18

8-11       Give the formula for the magnitude of angular momentum.  L =

8-12       Explain how to find the direction of angular momentum.

8-13       State NewtonÕs second law for rotational motion in terms of I and a.

8-14         State the law of conservation of angular momentum.

 

Chapter 7:  Gravitation

D19

7-12State NewtonÕs Law of universal gravitation.

7-13hat is the value of G?

7-14What is the mass of the Earth?

7-15What is the radius of the Earth?

7-16What does g represent?

7-17State KeplerÕs 3 Laws.

7-18RBD:  The angular momentum of any planet is always ___________.

7-19State the gravitational potential energy formula for an object distance r ³ RE from the center of the earth.

7-20State the formula for escape speed for an arbitrary planet.

 

Chapter 9:  Fluid Mechanics

D20

9-1  Define Bulk Modulus.

9-2  Define Shear Modulus.

9-3 Define YoungÕs Modulus.

9-4 Define pressure.

9-5 What is a Pascal?

9-6 How does pressure vary with depth below the surface?

9-7 How many N/m2 is 1 atm = Po?

9-8 State PascalÕs Law.

9-9 Explain what absolute pressure is and give itÕs formula.

9-10       Give the formula for gauge pressure and explain each term in the formula.

9-11       State ArchimedesÕs Principle.

 

 

D21 Fluid Dynamics

9-12       What does nonviscous mean?

9-13       What does laminar flow mean.

9-14       What is the equation of continuity for fluids?

9-15       Write down BernoulliÕs Equation.

9-16       What is TorricellliÕs Law?

 

Chapter 13:  Simple Harmonic Motion

D22

13-1A HookeÕs Law spring obeys what formula?

13-2Define Simple Harmonic Motion (SHM).

13-3Write down the position formula for an object moving back and forth in SHM.

13-4The total energy of a SHM oscillator equals _________?

13-5What is meant by Òuniform circular motionÓ

13-6Write down the formula for the period of a simple pendulum.

13-7What assumptions are required to obtain this formula?

13-8Write down the formula for the period of a physical pendulum.

 

Chapter 13:  Waves

D23

13-9Define a transverse wave.

13-10    Define a longitudinal wave.

13-11    Define frequency (f) of a wave.

13-12    Define period (T) of a wave.

13-13    Define the amplitude of a wave.

13-14    State the formula for the speed of a wave on a string and explain the meaning of v T and m.

13-15    Give the formula for the power transmitted by a sinsusoidal wave on a string.

 

Chapter 14:  Sound Waves

D24

14-1Give the formula for speed of sound in a given medium and explain what v, B & r mean.

14-2How does the speed of sound depend on temperature?

14-3Define Intensity (I) of a wave and give itÕs formula.

14-4State the formula for sound level in dBÕs.

14-5How many dBÕs does it take to double sound intensity?

14-6Explain Doppler Effect.

 

Chapter 14:  Standing Waves

D25

14-7State the superposition principle.

14-8Define interference.

14-9Define constructive interference.

14-10    Define destructive interference.

14-11    Define standing waves.

14-12    State the formula for a standing wave on a string with both ends fixed.

14-13    Define nodes.

14-14    Define antinodes.

14-15    l/2 is the distance between adjacent _____________.

14-16    l represent's what?

14-17    Define fundamental frequency for a standing wave.

14-18    State the formula for the fundamental frequency of a standing wave.

14-19    State the formula for the nth harmonic of the fundamental frequency of a standing wave.

14-20    Define resonance frequencies.

14-21    State the formula for the nth natural frequency of oscillation in a pipe open at both ends.

14-22    State the formula for the nth natural frequency of oscillation in a pipe open at one end.

14-23    Define beats.

14-24    State the formula for beat frequency.

 

Chapter 10:  Temperature

D26

10-1State the Zeroth law of Thermodynamics.

10-2What is the relationship between a temperature of 1û Celsius and 1 Kelvin?

10-3What is the relationship between a temperature of 1û Celsius and 1û Fahrenheit?

10-4State the formula for average coefficient of linear expansion a.

10-5State the formula for linear expansion as a function of temperature T.

10-6Write down the formula for the Ideal Gas Law.

 

Chapter 11:  Heat and the first Law of Thermodynamics

D27

11-1Define internal energy.

11-2Define Heat.

11-3Define a calorie.

11-4Define a Joule.

11-5Define Heat Capacity.

11-6Define Specific Heat.

11-7What does Q represent?

11-8What is the formula for Q?

11-9Define Latent Heat of Fusion (Lf).

11-10    Define Latent Heat of Vaporization (Lv).

 

Chapter 12 The First Law of Thermo

D28 

12-1State the equation of the First Law of Thermo.

12-2What does isothermal , isobaric, and adiabatic processes mean?

12-3State the formula for work (W) done on a gas in an:

12-3.1   Isothermal process.

12-3.2   Isobaric process.

12-3.3   Adiabatic process.

 

D29

12-4State 3 methods of transferring thermal energy.

12-5State the law of thermal conduction in equation form.

12-6Define R-value.

12-7Write down StefanÕs Law in equation form.

12-8Define s & emissivity e .

 

 Chapter 21:  Kinetic Theory of Gasses ?