Linear Momentum and Collisions MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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For a perfectly inelastic collision, which statement is true about kinetic energy?
A. Some kinetic energy is converted to other forms of energy
B. Kinetic energy is conserved
C. Kinetic energy is doubled
D. Kinetic energy is zero
Answer: Some kinetic energy is converted to other forms of energy
In a two-dimensional collision, the conservation of momentum must be applied to:
A. Both the x and y components
B. The z component
C. The rotational components
D. The vertical components
Answer: Both the x and y components
In a collision, if one object loses momentum, the other object:
A. Gains the same amount of momentum
B. Gains more momentum
C. Loses more momentum
D. Does not change in momentum
Answer: Gains the same amount of momentum
The principle of conservation of momentum applies to which of the following types of collisions?
A. Both elastic and inelastic collisions
B. Elastic collisions only
C. Inelastic collisions only
D. Explosive collisions
Answer: Both elastic and inelastic collisions
The impulse-momentum theorem relates impulse to:
A. Change in momentum
B. Change in velocity
C. Change in energy
D. Change in force
Answer: Change in momentum
If the mass of an object doubles while its velocity remains constant, its momentum:
A. Doubles
B. Triples
C. Remains the same
D. Halves
Answer: Doubles
Which type of collision conserves both kinetic energy and momentum?
A. Elastic collision
B. Inelastic collision
C. Perfectly inelastic collision
D. Partially elastic collision
Answer: Elastic collision
The total momentum of a system of particles is conserved if:
A. No external forces are acting on the system
B. There are no internal forces
C. The system is isolated from other systems
D. The forces are only conservative
Answer: No external forces are acting on the system
If an object experiences a net external force during a collision, the total momentum of the system:
A. Changes
B. Remains constant
C. Is conserved only if the force is balanced
D. Depends on the magnitude of the force
Answer: Changes