The coefficient of static friction between two blocks is 0.5 and the table is smooth. The maximum horizontal force that can be applied to move the blocks together is .........
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Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…
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Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…
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- When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm with hand is 1.60 kg. If the biceps is connected to the forearm a distance of 2.1 cm from the elbow, how much force must the biceps exert to hold a 35 N ball at the end of the forearm at distance of 36.0 cm from the elbow, with the forearm parallel to the floor, in Newtons? Use g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.A tutor told me that the answer to 1b was 10N but I don't understand why it would be 10N for the tension. If that is correct could someone break it down for me?As of 2008, 42 people have survived a fall from a height above 10,000 feet without a parachute. Without air resistance, a person would hit the ground with a speed of 240 m/s (540 mph)However, by placing your body in a skydiving position (see photo)you can maximize your cross-sectional area and take advantage of the drag force to limit your speed. In this positionyour terminal speed will only be 54 m/s (120 mph)This is still a high rate of speed. Just imagine being in an automobile accident at 120 mph! Nevertheless, there is a higher probability of survival, depending upon what you land on. Afterall, it is not the fall that will kill you, but the impact. you strike concrete at 54 m/s, we will say nice things about you at your funeralYou can take comfort in the fact that you won't even feel Contrary to popular belief, hitting water at this speed is not much betterYour body will have to displace and compress the water as you enter it. But water, and most liquids, are difficult to…
- 5-61. If d = 1 m, and 0 = 30°, determine the normal reaction at the smooth supports and the required distance a for the placement of the roller if P 600 N. Neglect the weight of the bar. =3m 5m A B 4m Figure 2 4. A thin horizontal beam of negligible mass is hinged at one end A and supported at the other end B by a string, shown in Figure 2. The string can withstand a maximum tension of 30 N. A possum of mass m = 3 kg walks out along the beam. How far along the beam can the possum go before the string breaks?the 50 lb block rests on the rough surface for which the coefficient of kin etic friction is uk=0.2