Two horizontal forces 25n and 12n and another force f inclined at 60° to the vertical
.if the body is at equilibrium (at rest) calculate the weight of the body

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

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical