Linear Momentum and Collisions MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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If a moving object collides with a stationary object and they stick together, what type of collision is this?
A. Perfectly inelastic
B. Elastic
C. Inelastic
D. Explosive
Answer: Perfectly inelastic
During a collision, if the total initial momentum of a system is zero, what will be the total momentum after the collision?
A. Zero
B. Equal to the momentum of one object
C. Double the initial momentum
D. Equal to the total initial momentum
Answer: Zero
When analyzing momentum in two dimensions, what must be considered?
A. Momentum in both x and y directions
B. Only momentum in the x direction
C. Only momentum in the y direction
D. Momentum along the direction of the collision
Answer: Momentum in both x and y directions
In an elastic collision between two objects of different masses, which of the following is true?
A. Total momentum and total kinetic energy are conserved
B. Only total momentum is conserved
C. Only total kinetic energy is conserved
D. Neither momentum nor kinetic energy is conserved
Answer: Total momentum and total kinetic energy are conserved
When calculating momentum, which factors are necessary?
A. Mass and velocity
B. Mass and acceleration
C. Force and time
D. Energy and velocity
Answer: Mass and velocity
In a collision with no external forces, the total momentum of the system before and after the collision is:
A. The same
B. Increased
C. Decreased
D. Unpredictable
Answer: The same
In a collision between two identical objects where one is initially at rest, the final velocities of the objects are:
A. The velocities are exchanged
B. The objects continue with their initial velocities
C. The object that was initially at rest moves with the same velocity as the moving object
D. Both objects come to rest
Answer: The velocities are exchanged
If an object’s momentum changes, which of the following must occur?
A. An impulse has been applied
B. The object's mass has changed
C. The object's velocity has decreased
D. The object's acceleration has increased
Answer: An impulse has been applied
What does impulse depend on?
A. Force and time
B. Mass and velocity
C. Energy and velocity
D. Force and distance
Answer: Force and time