Suggest one reason why the actual energy transferred is more than the value calculated

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.

True or false: the revolution of the earth creates day and night as it rotates around the sun

What are similarities and differences between refraction, reflection, diffraction and absorption?