A machine has a mechanical advantage of 4. 5. What force is put out by the machine if the force applied to the machine is 800 N? 0. 006 N 180 N 805 N 3600 N.

Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.