E average standard rectangular building brick has a mass of 3.10 kg and dimensions of 225 mm x 112 mm x 75 7. The gravitational field constant g = 9.8 N/kg. Calculate the pressure the brick creates when standing on its surface of greatest area

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational