631
Question 631
What is the linear acceleration of a point on the rim of a wheel with angular acceleration α and radius R?
632
Question 632
What is the relationship between linear displacement s and angular displacement θ for a rotating body?
633
Question 633
A flywheel starts from rest. After unwinding 2 m of cord under a 25 N pull, its kinetic energy is found to be 50 J. What does this illustrate?
634
Question 634
What factor does moment of inertia depend on?
635
Question 635
If no external torque acts on a system, what happens to its angular velocity?