Why are wedges and screws part of the inclined plane family of simple machines?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =