1 F 1 chons two dentical razor bladenAana Broposate building 4 m high Blade Als dropped on its face while blade is dropped on its edge av blade A blade B Fig. 1.3 (a) State the force which pulls the blades down. timos potential force​

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?