How does ideal mechanical advantage differ from actual mechanical advantage? Why is the ideal mechanical advantage of a machine always greater than the actual mechanical advantage of the machine?

Define the meaning of the unalienable rights of life liberty and persuit of happiness

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called