Given : Load = 50 kgf Load arm = 30 cm
Effort arm = 1.20m

What will be the Mechanical advantage ?
(equation must be shown)

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

What is the increase in density of a medium due to wave travel?