You notice a block is sliding down an inclined plane with friction. You only glance at it briefly, so you only know that it's sliding down the slope. What direction is the total force on the object

What law energy has never been broken

For which pair of objects would adding the same a

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?