this rock, known as balanced rock, sits on a thin pedestal of rock in a canyon in idaho. Balanced rock exerts adown ward/an upward force on the pedestal. At the same time ,the pedestal exerts a downward/ an upward force that is equal in size and opposite in direction. That is why balanced rock is stable!

What is the measure of a change in an objects velocity?

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.