John wants to lift a refrigerator into the back of a U-Haul truck that is 2
meters high. The refrigerator has a weight of 2000 N. John uses a pulley
which requires him to use 40 N of force. Danielle uses a ramp that requires
her to use 10 N of force. Find the Mechanical Advantage for each
person/machine.

Which feature of a heating curve indicates a change ofn state

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.