FOR G-11 FROM UNIT-4* (1) A person is dragging a 15kg box along the ground by a rope 30' to the horizontal with a force of58N, at a constant velocity.a) Draw the free- body diagram.b) Determine the normal force.c) Determine the frictional force.d) Determine the coefficient of friction.* (2) Trolley is set move on a smooth track that is banked at angle of 30". For a trolley moving with aspeed of 8m /s to round the curve.a) Draw the free- body diagramb) what is the radius of the banked surface?* (3) Two billiard balls of equal mass undergo a perfectly elastic head- on collision. If the speed ofone ball was initially 2.00m/s, and of the other 3.00m/s in the opposite direction, what will be theirspeeds after the collision?* (4) A billiard ball moving at 10m/s along the +ve x – axis collides elastically with a second billiardball at rest. The balls have the same masses. After the collision, the incoming ball moves off at anangle of 37°, to the original direction of motion, and the second ball deflects at an angle 02 to thesame axis. Find the speeds of the two balls after collision and the angle 02.* (5)Consider a 4kg & 6kg blocks are sliding down an inclined plane whose inclinationfrom the horizontal is 370 .The blocks are in contact but are not fastened together asshown in figure - 1. (use sin370 = 0.6, Cos370 = 0.8 and g = 10m/s2)Mi= 4kgFind : (a) the contact force b/n mss-1 & 2H1 = 0.2M= 6kg(b)the acceleration the system.H2 = 0.4370(6) What horizontal force must be applied to the cart shown in Figure - 2, in orderthat the blocks remain stationary relative to the cart? Assume all surfaces, wheels, andpulley are frictionless. (Hint: Note that the force exerted by the string accelerates M.)Figure - 2Page 1

Answered: Image /qna-images/answer/52f2c661-c90a-4fb9-8534-e213d101c445.jpg

* (1) A person is dragging a 15kg box along the ground by a rope 30' to the horizontal with a force of 58N, at a constant velocity. a) Draw the free- body diagram. b) Determine the normal force. c) Determine the frictional force. d) Determine the coefficient of friction. moth truck that is banked at angle of 30'. For a trolley moving with a

* (1) A person is dragging a 15kg box along the ground by a rope 30' to the horizontal with a force of 58N, at a constant velocity. a) Draw the free- body diagram. b) Determine the normal force. c) Determine the frictional force. d) Determine the coefficient of friction. moth truck that is banked at angle of 30'. For a trolley moving with a

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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