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Figure 9-23 shows an overhead view of three particles on
Chapter , Problem 1(choose chapter or problem)
Figure 9-23 shows an overhead view of three particles on which external force act. The magnitude and directions of the forces on two of the particles are indicated. What are the magnitude and direction of the force acting on the third particle if the centre of mass of the three particle system is (a) stationary, (b) moving at a constant velocity rightward, and (c) accelerating rightward?
Questions & Answers
QUESTION:
Figure 9-23 shows an overhead view of three particles on which external force act. The magnitude and directions of the forces on two of the particles are indicated. What are the magnitude and direction of the force acting on the third particle if the centre of mass of the three particle system is (a) stationary, (b) moving at a constant velocity rightward, and (c) accelerating rightward?
ANSWER:
Step 1 of 3
(a)
If the centre of mass is then the centre of mass of the acceleration will also be zero.
The expression for the centre of mass of the acceleration is given by;
Therefore the force acting on the third particles is in the rightward direction.