When the switch of a ceiling fan is turned on, the electrical energy moving through the fan's motor is converted into mechanical energy and the fan blades will spin. Which of the following explains this conversion? A. Law of Conservation of Energy
B. Law of Conservation of Mass
C. Newton's 3rd Law
D. Law of Inertia

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight