Chapters 9-12

Question 1

Arc Length

Answer 1

s=rTheta

Question 2

degrees to radians

Answer 2

theta(2pi/360)

Question 3

Angular Velocity (w)

Answer 3

w= theta/t (rad/s)

Question 4

Tangential Velocity

Answer 4

v=rw (m/s)

Question 5

Frequency f

Answer 5

f=w/2pi

Question 6

Period (T)

Answer 6

T= 1/f

Question 7

Centripetal Acceleration (Ac)

Answer 7

Ac=v^2/r

Question 8

Centripetal Force (f)

Answer 8

Fc=mAc

Question 9

Angular Acceleration

Answer 9

a=(W-W0)/(T-T0)

Question 10

Angular Velocity

Answer 10

w=w0+at

Question 11

Tangential Acceleration (At)

Answer 11

At=ra

Question 12

Law of Gravitation

Answer 12

f=G(M1M2/r^2)

Question 13

Translational Velocity
rolls without slipping

Answer 13

Vcm=rw

Question 14

Torque

Answer 14

torque = rF

Question 15

Torque with moment of Inertia

Answer 15

torque = Ia

Question 16

A rolling object has Translational KE and Rotatinal KE

Answer 16

Translational = K = 1/2mv^2
Rotational = K = 1/2Iw^2

Question 17

Angular Momentum
rotating fixed axis

Answer 17

L=Iw

Question 18

Absence of unbalanced torque

Answer 18

I0W0=IW

Question 19

Deformation

Answer 19

deformation=(f/a)/s

Question 20

Pressure

Answer 20

p=F/A (n/m^2)

Question 21

Pressure at depth h

Answer 21

p = pgh

Question 22

Pascals Principle

Answer 22

Pressure in a liquid is transmotted equally in all directions

Question 23

Archimedes Principle

Answer 23

Fb=(PfVf)g

Question 24

Equation of Continuity

Answer 24

A1v1=A2v2