Dont need explanation , just the answer please 63. Maximum torque is achieved wh

Question

Dont need explanation , just the answer please

63. Maximum torque is achieved when: A. The force is parallel to the wrench (position vector) B. The angle between the force and the wrench is 45° C. The force is perpendicular to the wrench. D. Maximum torque does not depend on the relative orientation of wrench and force. 64. If the moment arm (lever arm) of a force is increased by a factor of two, than the torques is increased by: A. A factor of ½ B. A factor of ¼ C. A factor of 1.o (not affected) D. A factor of 2 E. A factor of 4 65. The total acceleration a. for a point engaged in a circular motion characterized by the angular velocity as, angular acceleration , and radius R is: 4 66. All points of a CD are moving on a circular path. For such a motion, all points on the surface of the CD have the same: A. Linear velocity B. linear acceleration C. linear momentum D. Arc travelled E. None of the above Answer E

Explanation / Answer

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Option(C) is correct. When the force is perpendicular to the wrench.

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Option (D) is correct . Torque increased by factor of 2.

65-

option (A) is correct.

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