Q. A is older than B but younger than C. D is younger than A. Who is the oldest?
Solution
C is the oldest as A is younger than C.
Correct Answer: C — C
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Q. A, B, C, D, and E are standing in a line. A is to the left of B, and C is to the right of D. If E is at the end of the line, who is in the middle?
Solution
The order is D, A, B, C, E. B is in the middle.
Correct Answer: B — B
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Q. Five friends are sitting in a row. A is to the left of B but to the right of C. D is to the right of A. Who is sitting in the middle?
Solution
The order is C, A, B, D. A is in the middle.
Correct Answer: A — A
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Q. How does the presence of constraints affect the potential energy of a system? (2022)
-
A.
It increases potential energy
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B.
It decreases potential energy
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C.
It has no effect
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D.
It converts potential energy to kinetic energy
Solution
Constraints can limit the configurations of a system, often leading to a decrease in potential energy.
Correct Answer: B — It decreases potential energy
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Q. If T is to the right of U and S is to the left of U, where is S in relation to T?
-
A.
Left
-
B.
Right
-
C.
Same
-
D.
None
Solution
S is to the left of T.
Correct Answer: A — Left
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Q. In a competition, X finishes before Y but after Z. If W finishes after Y, who is the last?
Solution
W is last as it finishes after Y.
Correct Answer: D — W
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Q. In a constraint-based distribution problem, which of the following is typically considered a constraint? (2020)
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A.
Total energy of the system
-
B.
Total mass of the system
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C.
Distance between two points
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D.
Velocity of an object
Solution
The total mass of the system is a constraint that affects how forces are distributed.
Correct Answer: B — Total mass of the system
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Q. In a group of friends, P is taller than Q but shorter than R. S is shorter than P. Who is the tallest?
Solution
R is the tallest as P is shorter than R.
Correct Answer: C — R
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Q. In a queue, M is in front of N but behind O. P is behind M. Who is at the front?
Solution
O is at the front as M is behind O.
Correct Answer: C — O
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Q. In a race, A finishes before B but after C. D finishes after A. Who is the fastest?
Solution
C is the fastest as A finishes after C.
Correct Answer: C — C
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Q. In a race, E finishes before F but after D. If G finishes after E, who is the second last?
Solution
F is second last as E finishes before F.
Correct Answer: C — F
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Q. In a system with multiple constraints, what is the effect on the distribution of forces? (2022)
-
A.
Forces become independent
-
B.
Forces are uniformly distributed
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C.
Forces must satisfy all constraints
-
D.
Forces are eliminated
Solution
Forces in a constrained system must satisfy all imposed constraints, affecting their distribution.
Correct Answer: C — Forces must satisfy all constraints
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Q. In constraint-based distribution, what is meant by 'degrees of freedom'? (2019)
-
A.
The number of independent movements allowed
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B.
The total energy in the system
-
C.
The mass of the objects involved
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D.
The speed of the system
Solution
Degrees of freedom refer to the number of independent movements or parameters that can vary in a system.
Correct Answer: A — The number of independent movements allowed
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Q. What is the primary purpose of constraint-based distribution in physics? (2021)
-
A.
To maximize energy efficiency
-
B.
To ensure equilibrium in a system
-
C.
To minimize the total mass
-
D.
To optimize speed
Solution
Constraint-based distribution ensures that all forces in a system are balanced, leading to equilibrium.
Correct Answer: B — To ensure equilibrium in a system
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Q. What role do constraints play in the analysis of mechanical systems? (2021)
-
A.
They simplify the equations of motion
-
B.
They increase the complexity of the system
-
C.
They have no significant impact
-
D.
They only affect energy calculations
Solution
Constraints simplify the equations of motion by limiting the degrees of freedom in a mechanical system.
Correct Answer: A — They simplify the equations of motion
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Q. Which of the following best describes a 'constraint' in physics? (2019)
-
A.
A limitation on the motion of a system
-
B.
A force acting on an object
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C.
A type of energy transfer
-
D.
A method of calculating speed
Solution
A constraint is a limitation that restricts the motion or behavior of a system.
Correct Answer: A — A limitation on the motion of a system
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Q. Which of the following is NOT a type of constraint? (2020)
-
A.
Geometric constraint
-
B.
Kinematic constraint
-
C.
Dynamic constraint
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D.
Thermal constraint
Solution
Thermal constraints are not typically classified as constraints in the context of motion and distribution.
Correct Answer: D — Thermal constraint
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Q. Which of the following scenarios exemplifies constraint-based distribution? (2023)
-
A.
A car accelerating on a straight road
-
B.
A pendulum swinging back and forth
-
C.
A ball rolling down a hill
-
D.
A rocket launching into space
Solution
A pendulum swinging back and forth is a classic example of constraint-based distribution due to its fixed pivot point.
Correct Answer: B — A pendulum swinging back and forth
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