Linear Momentum and Collisions MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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In a completely inelastic collision, the final velocity of the two objects:
A. Is the same for both objects
B. Is different for each object
C. Is zero
D. Depends on the initial velocities
Answer: Is the same for both objects
The law of conservation of momentum is a consequence of:
A. Newton's Third Law of Motion
B. Newton's First Law of Motion
C. Newton's Second Law of Motion
D. The law of universal gravitation
Answer: Newton's Third Law of Motion
When analyzing collisions, which quantity is conserved in all types of collisions?
A. Momentum
B. Kinetic energy
C. Potential energy
D. Energy
Answer: Momentum
If two particles collide and the total momentum of the system is conserved, then:
A. The change in momentum of one particle is equal and opposite to the change in momentum of the other particle
B. The change in momentum of each particle is zero
C. The total momentum increases
D. The total momentum decreases
Answer: The change in momentum of one particle is equal and opposite to the change in momentum of the other particle
During a collision, if the direction of the net force is opposite to the direction of motion, the momentum of the object:
A. Decreases
B. Increases
C. Remains constant
D. Becomes zero
Answer: Decreases
For a given force applied over a time interval, the impulse is:
A. Proportional to the time interval
B. Proportional to the force only
C. Independent of the time interval
D. Inversely proportional to the force
Answer: Proportional to the time interval
In a collision, if the total momentum of the system before the collision is zero, then:
A. The total momentum after the collision will also be zero
B. The total momentum after the collision will be positive
C. The total momentum after the collision will be negative
D. The total momentum cannot be determined
Answer: The total momentum after the collision will also be zero
The conservation of momentum can be applied to which of the following?
A. Collisions and explosions
B. Only collisions
C. Only explosions
D. Neither collisions nor explosions
Answer: Collisions and explosions
If a car and a truck collide and stick together, the collision is:
A. Perfectly inelastic
B. Elastic
C. Inelastic
D. Superelastic
Answer: Perfectly inelastic