Rotational Equations

Question 1

What is the equation for centripetal acceleration?

Answer 1

a(c)=(v^2)/r

Question 2

What is the equation for rotational force?

Answer 2

t=Frcos’
t=mr^2ã
t=Iã

Question 3

What is the equation for moment of inertia?

Answer 3

I=m(1)r(1)^2

Question 4

What is the parallel axis theorem?

Answer 4

I=I(cm)+md^2

Question 5

What is the equation for the kinetic energy of an object rolling down an inclined plane?

Answer 5

K=1/2mv^2+1/2Iw^2

Question 6

What is the equation for rotational potential energy?

Answer 6

L=rmv(_|)

Question 7

What is the connections between:

1. Distance and rotational distance?
2. Velocity and rotational velocity?
3. Accelerations and rotational acceleration?

Answer 7

1. x=rø
2. v=rw
3. a=rã