R7 R2 R3 Ry E R, RS
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- I need help with this hw problem.A very large cat sits at the center of a swing. Two scales are attached to the ropes. One scale reads 5 kg.A. What does the second scale read?B. What is the combined weight of the cat and swing?A rope attached to a 500-lb block passes over a fric- tionless pulley and is wrapped for one full turn around a If the coefficient of frie- tion between the rope and the post is 0.25. determine fixed post as shown in Fig. The minimum force P that must be used to begin to raise the block. P W
- q8 and q9You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the support force? A. ZERO B. 140 x 9.8 m/s^2 C. 140N D. 140 lbs Then choose all that apply to centripetal force. A. Gravitational and electrical forces can produce centripetal forces. B. Centripetal force depends on tangential spreed and radius of curvature . C. twice the radius needs half the centripetal force. D. Measured in the units of N or kg m/s^2 E. Any type of force directed towards a fixed center. F. Twice the speed needs four times the centripetal force. G. Centripetal force depends on the mass, tangential speed and radius of the curvature.A hollow ball is released from resa at the top ot arampe If it starts from a height A abore the horizontal floor, how. fast will it be moving when it gets to the bottom A.