Which of these statements about machines is false?
a. Machines decrease the amount of work needed to do a job
b. Machines decrease the force needed to get the work done,
c. Machines increase the distance moved in doing the work
d. Because of friction, the work input is more than the output

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Which of the following is the best name for mgcl2

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system