System of Particles MCQ
Test your knowledge with important System of Particles MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more System of Particles MCQs on Bissoy. Bissoy App
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A ball of mass 3kg is thrown at an angle of 30° with the horizontal & a speed of 10m/s. At the highest point the ball breaks into two parts, having mass ratio 2:1, due to internal forces. If the heavier part falls at a distance of 10m from the start, find the x coordinate of the second part.
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A boy of mass 50kg is standing on a frictionless surface. He throws a ball of mass 2kg away from him with a speed of 10m/s. Find the final speed of the centre of mass.
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A ball of mass 1kg is thrown vertically upwards from a building with a speed of 10m/s, and another ball of mass 3kg is dropped from the same point towards the ground with the same speed. At what time will the centre of mass have the maximum height w.r.t the ground? Assume balls are left at t=0.
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In a projectile motion, a particle breaks due to internal forces. We can say that its total momentum is conserved. True or False?
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If forces are acting on a rigid body so that it has zero kinetic energy, then all forces will pass through the centre of mass and have a vector sum of zero. True or False?
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The centre of mass of the body always lies on the line of symmetry for an object with uniform density.
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A uniform free rectangular steel plate is heated from 273 to 373 kelvin. The initial area of the plate is 15 sq. cm. What is the shift of the centre of mass?
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Two particles A and B, initially at rest, start moving towards each other under a mutual force of attraction. When the speed of A is “10 m/s” and the speed of B is “800 m/s”, what is the speed of their centre of mass?
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A system consists of 2 particles of the same mass. Let one particle be at rest and another particle have an acceleration of “2a”. What would be the acceleration of the centre of mass of the system?
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The velocities of three particles of masses 10 kg, 20 kg and 30 kg are 10i, 10j and 10k m/s, respectively. What is the velocity of their centre of mass?
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Two bodies of masses 5 kg and 3 kg are moving towards each other at velocities of 3 m/s and 5 m/s, respectively. What is the velocity of their centre of mass?
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For an object with the centre of mass at the origin, the x-coordinates of particles of the object _____
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Consider a system on which there are external forces acting. If the vector sum of all these external forces is zero, then the centre of mass _____
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An asteroid enters the atmosphere of the earth and breaks into two pieces. One of the pieces is larger than the other. Which of the following is true considering the centre of mass of both the pieces together?
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Numerous particles in a system are placed at a distance of “D” from the origin. The position of the centre of mass will definitely be _____
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For which of the following does the centre of mass lie outside the body?
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The centre of mass for an object always lies inside the object.