Question

Homework: HW11: Parallel Axis Theorem And Torque Rotational Dynamics Limited Attempt Cluster Item Grade cluster Rotational Dynamics Paralle Score Ti A spoolis on a horizontal surface with friction) and pulled to the night with a thread attached to the center of the spool, so that the spool rolls without slipping the spool has a mans of M, moment of inertial, and a radius of R. Torque cam Tipleri 1) Which equation below is a correct expression of Newton's Second Law (P m ) in the x-direction for this situation. Assume all the forces below are mainitudes and that to the right is considered the positive direction Tipler OFF, Ma. Fr+Fy=Mo -Fr - Fy-Ma, Tipler Rotati 2) Which equation below is a correct expression of Newton's Second Law (P m ) in the y direction for this situation. Assume all the forces below are magnitudes and up is considered the positive direction Fy+F, - My - F - F, M Fy-F, - May Concs Suome Rotati 3) Which equation below is a correct expression of the rotational equivalent of Newton's Second Law l a for rotations about the center of mass. Assume all the forces below are magnitudes and clockwise into the page is considered the positive direction for torques/rotations. Bowli Three FR+FR-la FR-FR-la FR-la FERTA Exam 4) Which of the following expressions relates the magnitudes of the translational acceleration of the spool center of massa and the spool's rotational acceleration about the center of mass a recall the spool rolls without slipping on the surface) Standar e to search

Answer 1

f FN (1 correct equation For Ff = Max (² FN-Fg, may correct equation T = (3) E= 8xÊ ,rar, sino = 1 if=ff T= FfR , Also t= la Ej R = Ixt correct equction (4) Relation between linear Quebrahon at oond angulę acelason of is given by asra , a=R as Rk => aran (5) . As spool does not roll. so net forque about a most ke Beso, Ff R-F78=0 Ff R = fpr » X & fi