Question

Ss pukm & cousiler the three vectors shown below s W hat is the direction of Ax Co A) Into the page B) Out of the page C) Upwards along the page D) Downwards along the pagse 7.What is the direction of B x C A) Into the page C) Upwards along the page B) Out of the page D) Downwards along the page 8. A grinding wheel is spinning at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest. What was the angular acceleration of the grinding wheel as it came to rest? C) 0.00 rad/s D) It cannot be determined 9. A grinding wheel is spinning at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest. How many revolutions did the wheel make during the time it was coming to rest? A) 150 B)400 C) 800 D) 1600E) 2 10.True or false. A smaller force can never exert a greater torque than a larger force. A) True B) False _11.True or false. The net torque on a system can be zero while the net force on the same system is non-zero. A) True B) False 12.The moment of inertia of a solid cylinder rotated about the center (point x) is 2MR2. What is the moment of inertia if the disk is rotated about a point at the edge of the disk, as shown below (about point O)? BMR MR2 D) It cannot be determined 10

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Answer 1