Simple machines the amount of work needed to lift an object.

a: lessen
b: reduce
c: decrease
d: do not change

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?