Linear Momentum and Collisions MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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In an inelastic collision, the total momentum of a system:
A. Is conserved
B. Is not conserved
C. Increases
D. Decreases
Answer: Is conserved
Which of the following best describes the concept of impulse?
A. The product of force and time
B. The change in kinetic energy
C. The change in velocity
D. The rate of momentum change
Answer: The product of force and time
If two objects collide and their total momentum before the collision is zero, what is their total momentum after the collision?
A. Zero
B. Double
C. The same as before
D. Depends on the type of collision
Answer: Zero
In a perfectly inelastic collision, which of the following statements is true about energy?
A. Some kinetic energy is transformed into other forms of energy
B. Kinetic energy is conserved
C. Potential energy is conserved
D. Energy is completely lost
Answer: Some kinetic energy is transformed into other forms of energy
During a collision, if two objects have the same mass and velocity but in opposite directions, what happens to their total momentum?
A. It is zero
B. It doubles
C. It is equal to the sum of their individual momenta
D. It is equal to their average momentum
Answer: It is zero
In an elastic collision between two objects of equal mass, if one object is initially at rest, what happens after the collision?
A. The objects exchange velocities
B. The objects remain at rest
C. The moving object continues to move with the same velocity
D. Both objects move with the same velocity
Answer: The objects exchange velocities
In a perfectly inelastic collision, the final velocity of the two objects after the collision is:
A. The same for both objects
B. Different for each object
C. Equal to the average of their initial velocities
D. Equal to their initial velocities
Answer: The same for both objects
When solving collision problems, the total energy of the system is conserved in which type of collision?
A. Elastic collision
B. Inelastic collision
C. Perfectly inelastic collision
D. Explosive collision
Answer: Elastic collision
The momentum of an object can be changed by applying a:
A. Force over a period of time
B. Change in velocity
C. Change in mass
D. Work done on the object
Answer: Force over a period of time