d. When the block crosses the finish line, which hand is farther from the finish line? If bothhands are the same distance from the finish line, state so explicitly. Explain.Top viewA block and a spool are each pulled across a level,StartFinishdiagram at right.The string pulling the block is tied to a hook (not shown) atthe center of the front of the block. The string pulling thespool is wrapped many times around the spool and mayunwind as it is pulled.The block and the spool have the same mass. The stringsstart pulling with the same constant force at the same instant.Make the approximation that the strings and the hook areBlockjSameSametensionmassSpool!massless.a. In the spaces provided, draw and labelfree-body diagrams for the block andspool at an instant while the strings arebeing pulled.Free-body diagramfor blockFree-body diagramfor spoolb. While the block and spool are being pulled, is the magnitude of the acceleration of the blockgreater than, less than, or equal to that of the spool? Explain.ns sol to idmos.C. Does the spool cross the finish line before, after, or at the same instant as the block? Explain. equal to that done on the block-thread system, WBT? Explain.net ext,odi nil30 0onIs the total kinetic energy of the spool when it crosses the finish line greater than, less than.or equal to that of the block when it crosses the finish line? Explain. (Hint: Use the work-energy theorem.)f.ad 1erda nobernixounge od sdaMbne web,bobivonq oo ofbos Abold on 101 amanaib Yood-og. Is the translational kinetic energy of the spool when it crosses the finish line greater than,less than, or equal to that of the block when it crosses the finish line? Explain.e Check that your answer to part g is consistent with your answer to part c. If not, resolve anyinconsistencies.A uniform rigid rod rests on a level, frictionless surface. The diagram below indicates fourcferent combinations of (1) net force on the rod, Fnet, and (2) net torque on the rod about itscenter of mass, Tret In each box, draw vectors that

“Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Top view A block and a spool are each pulled across a level, Start Finish diagram at right. >Blocki Same Spool is wrapped many times around the spool and may unwind as it is pulled. Same tension mass The block and the spool have the same mass. The strings start pulling with the same constant force at the same instant, Make the approximation that the strings and the hook are Spool! massless. a. In the spaces provided, draw and label free-body diagrams for the block and spool at an instant while the strings are being pulled. Free-body diagram Free-body diagram for spool for block b. While the block and spool are being pulled, is the magnitude of the acceleration of the block greater than, less than, or equal to that of the spool? Explain. s1 bo C. Does the spool cross the finish line before, after, or at the same instant as the block? Explain.

Top view A block and a spool are each pulled across a level, Start Finish diagram at right. >Blocki Same Spool is wrapped many times around the spool and may unwind as it is pulled. Same tension mass The block and the spool have the same mass. The strings start pulling with the same constant force at the same instant, Make the approximation that the strings and the hook are Spool! massless. a. In the spaces provided, draw and label free-body diagrams for the block and spool at an instant while the strings are being pulled. Free-body diagram Free-body diagram for spool for block b. While the block and spool are being pulled, is the magnitude of the acceleration of the block greater than, less than, or equal to that of the spool? Explain. s1 bo C. Does the spool cross the finish line before, after, or at the same instant as the block? Explain.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 69A

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