If forces acting on an object are unbalanced, the object could experience a change in , direction, or both.

The least penetrating form of radiation is

What happens when a rubber rod is rubbed with a piece of fur?

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.