Current Attempt in Progress One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop (see the figure). Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. One force has a magnitude of 4.00 N and is applied perpendicular to the stick at the free end. The other force has a magnitude of 6.00 N and acts at a 60.0° angle with respect to the stick. Where along the stick is the 6.00-N force applied? Express this distance with respect to the axis of rotation. Number i eTextbook and Media Save for Later APR 80 F4 F1 F2 F3 2 #3 Axis of rotation Units 2 tv♫ ريا 어요 F5 F2 = 6.00 N 60.0° MacBook Air F6 % 6 & 7 $ 4 5 ཀུ། F7 Q W E R T Y U A Z S H on command D F G H F₁ = 4.00 N 80 Attempts: 0 of 3 used Submit Answer all A DII F8 F9 ) 9 O 11 4 F10 F11 + Il TA F O { } P [ J K L C V B N M H command option ?

Current Attempt in Progress One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop (see the figure). Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. One force has a magnitude of 4.00 N and is applied perpendicular to the stick at the free end. The other force has a magnitude of 6.00 N and acts at a 60.0° angle with respect to the stick. Where along the stick is the 6.00-N force applied? Express this distance with respect to the axis of rotation. Number i eTextbook and Media Save for Later APR 80 F4 F1 F2 F3 2 #3 Axis of rotation Units 2 tv♫ ريا 어요 F5 F2 = 6.00 N 60.0° MacBook Air F6 % 6 & 7 $ 4 5 ཀུ། F7 Q W E R T Y U A Z S H on command D F G H F₁ = 4.00 N 80 Attempts: 0 of 3 used Submit Answer all A DII F8 F9 ) 9 O 11 4 F10 F11 + Il TA F O { } P [ J K L C V B N M H command option ?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 5OQ: Assume a single 300-N force is exerted on a bicycle frame as shown in Figure OQ10.5. Consider the...

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The fishing pole in Figure P10.22 makes an angle of 20.0 with the horizontal. What is the torque exerted by the fish about an axis perpendicular to the page and passing through the anglers hand if the fish pulls on the fishing line with a force F=100N at an angle 37.0 below the horizontal? The force is applied at a point 2.00 m from the anglers hands. Figure P10.22
A force of F=(2.00i+3.00j) N is applied to an object that is pivoted about a fixed axle aligned along the z coordinate axis. The force is applied at the point r=(4.00i+5.00j)m. Find (a) the magnitude of the net torque about the z axis and (b) the direction of the torque vector .
What are the necessary conditions for equilibrium of the object shown in Figure P12.1? Calculate torques about an axis through point O.
Answer yes or no to the following questions. (a) Is it possible to calculate the torque acting on a rigid object without specifying an axis of rotation? (b) Is the torque independent of the location of the axis of rotation?
A simple pendulum consists of a small object of mass 3.0 kg hanging at the end of a 2.0-m-long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string makes a 5.0 angle with the vertical. (b) Does the torque increase or decrease as the angle increases? Explain. Figure P8.6
(a) Give an example in which the net force acting on an object is zero, yet the net torque is nonzero, (b) Give an example in which the net torque acting on an object is zero, yet the net force is nonzero.
A person stands a distance R from a doors hinges and pushes with a force F directed perpendicular to its surface. By what factor does the applied torque change if the persons position and force change to (a) 2R and 2F, (b) 2R and F, (c) R and F/2, (d) R/2 and F/2?
Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b = 25.0 cm. Figure P10.23
Assume a single 300-N force is exerted on a bicycle frame as shown in Figure OQ10.5. Consider the torque produced by this force about axes perpendicular to the plane of the paper and through each of the points A through E, where E is the center of mass of the frame. Rank the torques A, B, C, D, and E from largest to smallest, noting that zero is greater than a negative quantity. If two torques are equal, note their equality in your ranking. Figure OQ10.5
Suppose you exert a force of 180 N tangential to a 0.280-m-radius, 75.0-kg grindstone (a solid disk). (a) What torque is exerted? (b) What is the angular acceleration assuming negligible opposing friction? (c) What is the angular acceleration if there is an opposing frictional force of 20.0 N exerted 1.50 cm from the axis?