NUMS Mdcat 2022 | Solved with Explanation | mosaicbro.com

NUMS Mdcat 2022 | Solved with Explanation

7 of 157 questions (Page 17 of 23)

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113 Which of the following is NOT TRUE?
Correct Answer: D
Explanation: Action-reaction pairs act on different bodies and thus cannot cancel each other.
114 Two buses moving at 100 km/h and 80 km/h respectively cross each other while moving in opposite direction. Velocity of one bus relative to other bus is:
Correct Answer: D
Explanation: Relative velocity = v₁ + v₂ = 100 + 80 = 180 km/h (opposite directions add).
115 Which of the following pair of angles have same range for a projectile?
Correct Answer: B
Explanation: Complementary angles (e.g., 75° and 15°) yield the same range in projectile motion.
116 The angle of projection of a projectile for which its maximum height and horizontal range are equal:
Correct Answer: D
Explanation: At θ ≈ 76°, maximum height equals horizontal range (H = R).
117 The explosion of explosive material is application of:
Correct Answer: C
Explanation: Explosions conserve momentum (total momentum before = 0, so fragments must cancel out).
118 1 hp is equal to:
Correct Answer: C
Explanation: 1 horsepower (hp) = 746 watts.
119 The product of force and velocity is equal to:
Correct Answer: C
Explanation: Power = Force × Velocity.
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