11th Class Physics MCQS Rotational and Circular Motion Online Test 03

a-body-can-have-a-constant-velocity-when-it-follows-a-3-a_-_rectilinear-path,a-body-of-mass-10-kg-in-free-falling-lift-has-weight-3-a_-_98-26-nbsp-3-bn,a-body-rotates-with-a-constant-angular-velocity-of-100-rad-2-fsec-about-a-vertical-axis-is-required-torque-to-sustain-this-motion-will-be-3-a_-_zero-nm,a-body-rotating-with-angular-velocity-of-2-radian-2-fs-and-linear-velocity-is-also-2-ms-3-csup-3-e-1-3-c-2-fsup-3-e-2-c-then-radius-of-circle-is-3-a_-_1-m,a-body-starting-from-rest-attains-angular-acceleration-of-5-rad-2-fs-3-csup-3-e-2-3-c-2-fsup-3-e-in-2-second-final-angular-velocity-will-be-3-a_-_5-c-2810-5-c-2-crad-5-c-2-cs-5-e-7-b-1-7-d-5-c-29,a-communication-satellite-is-used-to-reflect-the-signal-of-3-a_-_microwaves,a-hoop-is-rolled-down-on-an-inclined-plane-having-height-of-10-m-its-velocity-at-the-bottom-will-be-3-a_-_9-89-m-2-fsec,a-man-in-a-lift-is-moving-upward-with-constant-velocity-will-conclude-that-his-weight-has-3-a_-_increased,a-man-in-an-elevator-ascending-with-an-acceleration-will-conclude-that-his-weight-has-3-a_-_increased,a-man-in-elevator-descending-with-an-acceleration-will-conclude-that-his-weight-has-3-a_-_decreased,a-man-of-1-kg-is-freefalling-the-force-of-gravity-is-3-a_-_9-8-n,a-man-of-mass-5-kg-is-failing-freely-2-c-the-force-acting-on-it-will-be-3-a_-_zero,a-man-of-mass-5-kg-is-falling-freely-2-c-the-force-acting-on-it-will-be-3-a_-_zero,a-man-weight-1000-n-in-a-stationary-lift-if-the-lift-moves-up-with-an-acceleration-of-10-ms-3-csup-3-e-2-3-c-2-fsup-3-e-2-c-then-its-weight-becomes-3-a_-_2000-n,a-stone-is-whirled-in-a-vertical-circle-at-the-end-of-a-string-when-the-stone-is-at-the-highest-position-the-tension-in-the-string-is-3-a_-_minimum,a-wheel-of-diameter-1-m-makes-60-rev-2-fmin-the-linear-speed-of-a-point-on-its-rim-in-ms-3-csup-3-e-1-3-c-2-fsup-3-e-is-3-a_-_5-c-28-5-cpi-5-c-29,a-wheel-of-radius-2-m-turns-through-an-angle-of-57-3-3-csup-3-eo-3-c-2-fsup-3-e-it-lays-out-a-tangential-distance_-_2-m,a-wheel-of-radius-50-cm-having-an-angular-speed-of-5-rad-2-fs-have-linear-speed-3-a_-_2-5-m-2-fs,a-wheel-of-radius-50-cm-having-an-angular-speed-of-50-cm-have-linear-speed-3-a_-_2-5-m-2-fs,absolute-p-e-of-an-object-at-an-infinite-height-w-r-t-earth-is-taken-as-3-a_-_zero,which-one-of-the-following-is-correct-3-f_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-11th-2-fphy-2-f-11th-phy-ch-05-015-02-png-22-3-e