g determine the magnitude and angle of r your angle will be between 0 and 350 corresponding to the x axis

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

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.

What is the single most important equation in all of physics?