Linear Momentum and Collisions MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Which of the following describes the momentum of an object?
A. Mass times velocity
B. Mass times acceleration
C. Force times time
D. Energy divided by velocity
Answer: Mass times velocity
In a collision where the objects stick together, what is the type of energy transformation?
A. Kinetic energy is transformed into internal energy
B. Kinetic energy is conserved
C. Potential energy is transformed into kinetic energy
D. Internal energy is transformed into kinetic energy
Answer: Kinetic energy is transformed into internal energy
The conservation of momentum principle can be applied to:
A. Any closed system with no external forces
B. Any system with external forces
C. Only elastic collisions
D. Only inelastic collisions
Answer: Any closed system with no external forces
The formula for impulse is given by:
A. Impulse = Force × Time
B. Impulse = Mass × Velocity
C. Impulse = Kinetic Energy × Time
D. Impulse = Momentum × Time
Answer: Impulse = Force × Time
In a collision, if one object has a large mass and the other a small mass, which object will experience a larger change in velocity?
A. The smaller mass
B. The larger mass
C. Both experience the same change
D. Neither experiences a change
Answer: The smaller mass
The change in momentum of an object is equal to:
A. Impulse
B. Force
C. Work
D. Energy
Answer: Impulse
What does the conservation of momentum imply about a collision with no external forces?
A. The total momentum before and after the collision is the same
B. The total kinetic energy before and after the collision is the same
C. The total energy is conserved
D. The total force is conserved
Answer: The total momentum before and after the collision is the same
Which of the following statements is correct for an inelastic collision?
A. Kinetic energy is not conserved, but momentum is conserved
B. Momentum is not conserved
C. Both momentum and kinetic energy are conserved
D. Kinetic energy is conserved, but momentum is not conserved
Answer: Kinetic energy is not conserved, but momentum is conserved
If an object experiences a force over a short time interval, what happens to its momentum?
A. It changes
B. It remains the same
C. It decreases
D. It becomes zero
Answer: It changes