If a net torque is applied to a wheel, what is the resulting effect?

If the velocity of a body doubles, its kinetic energy becomes:

Which of these is a correct expression for kinetic energy?

A 10 N force is applied perpendicular to a wrench 0.3 m long. What is the torque?

An object is moving at constant speed on a horizontal surface. What is the net work done on it?

What does impulse equal?

According to the law of conservation of momentum, which of these is true during a collision (if no external forces act)?

What is the mechanical energy of a system if potential energy = 30 J and kinetic energy = 70 J?

A 2 kg object swings in a vertical circle of radius 1.5 m. At the lowest point, speed is 8 m/s.What is the tension in the string at the lowest point?

 If the net work done on an object is positive, what happens to its kinetic energy?