Question 571
If a body's angular velocity decreases uniformly, what is the sign of angular acceleration?
Question 572
What is the relationship between linear velocity v and angular velocity ω for a point on the rim?
Question 573
A torque of 10 Nm acts for 2 seconds on a body starting from rest. If angular acceleration is 5 rad/s², what is final angular velocity?
Question 574
What is the final kinetic energy of a flywheel if 60 J of work is done on it with no losses?
Question 575
A cord is pulled with 20 N force. If 3 m is unwound from a flywheel, what is work done?