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Question 1 A system consisting of two objects has a total momentum of (18 kgm/sec)i and its center of mass has the velocity of (3 m/s)i.One of the object has the mass 4 kg and velocity (1.5 m/s)i.The mass and velocity of the other objects are (a) 2 kg, (6 m/s)i (b) 2 kg, (-6 m/s)i (c) 2 kg, (3 m/s)i (d) 2 kg, (-3 m/s)i
Locate the position of center of mass of the two point masses (i) from the origin and (ii) from 3 kg mass. Solution. Let us take, m 1 = 3 kg and m 2 = 5 kg (i) To find center of mass from the origin: The point masses are at positions, x 1 = 4 m, x 2 = 8 m from the origin along X axis. The center of mass x CM can be obtained using equation 5.4.
Center of Mass Problems Name _____ AP Physics C 1. A 60 kg woman and a 90 kg man are standing 10 meters apart on frictionless ice. a. How far from the woman is the center of mass of the system? b. If they hold on to the two ends of a rope, and the man pulls the rope so he moves 2 meters, how close is he to the woman now? c.
Important questions for class 10 science (Physics, Chemistry & Biology) are available on this page in PDF format. All these important questions are prepared by our expert teachers to help the students in their exam preparation.
These worksheets are specifically designed to cater to the learning needs of Class 10 students and cover various aspects of center of mass, including its definition, calculation, and applications in real-life scenarios.
Answers 1. x_COM = 0.5786 m 2. x_COM = (2/3)*b for the "base" side on the x-axis, and the hypotenuse slanted in 1st quadrant and passing through the origin.
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