Choose the correct answers (one answer for each question). (i) For central force motion, the angular momentum of a point mass is conserved. (a) Yes (b) No (c) Depends on specific form of the central force. (ii) When you walk on the northern half surface of the Earth, the Coriolis force has an effect of pulling you to the (a) left. (b) right. (c) left or right, depends on your walking direction. (iii) The work-energy theorem is always correct in the center-of-mass (CM) frame. (a) Yes (b) No (c) Only when the CM frame is an inertial frame.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Choose the correct answers (one answer for each question).
(i) For central force motion, the angular momentum of a point mass is conserved.
(a) Yes
(b) No (c) Depends on specific form of the central force.
(ii) When you walk on the northern half surface of the Earth, the Coriolis force has an effect
of pulling you to the
(a) left.
(b) right. (c) left or right, depends on your walking direction.
(iii) The work-energy theorem is always correct in the center-of-mass (CM) frame.
(а) Yes
(b) No
(c) Only when the CM frame is an inertial frame.
(iv) For a system of many particles, the total kinetic energy is always MV /2, where
I is
the total mass of the system, and Vc is the velocity of the center-of-mass.
(а) Yes
(b) No (c) Only when the center-of-mass is moving.
(v) For the motion of a rigid body, the internal forces have no effect on the linear momentum,
angular momentum, and mechanical energy of the rigid body.
(а) Yes
(b) No (c) Depending on the form of the internal forces.
Transcribed Image Text:Choose the correct answers (one answer for each question). (i) For central force motion, the angular momentum of a point mass is conserved. (a) Yes (b) No (c) Depends on specific form of the central force. (ii) When you walk on the northern half surface of the Earth, the Coriolis force has an effect of pulling you to the (a) left. (b) right. (c) left or right, depends on your walking direction. (iii) The work-energy theorem is always correct in the center-of-mass (CM) frame. (а) Yes (b) No (c) Only when the CM frame is an inertial frame. (iv) For a system of many particles, the total kinetic energy is always MV /2, where I is the total mass of the system, and Vc is the velocity of the center-of-mass. (а) Yes (b) No (c) Only when the center-of-mass is moving. (v) For the motion of a rigid body, the internal forces have no effect on the linear momentum, angular momentum, and mechanical energy of the rigid body. (а) Yes (b) No (c) Depending on the form of the internal forces.
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