NEET UG 2025: Here are 25 advanced questions from the Mechanics section of Physics. This is part of a series of sets curated by the edufever team for NEET aspirants. Solving this will be very helpful for students.
These questions are structured to challenge conceptual clarity and application in Mechanics for NEET preparation.
Join NEET News 2025 Mechanics (Advanced)
1. Two vectors of magnitudes 4 and 3 units have a resultant vector of magnitude 5 units. What’s the angle between these two vectors?
(a) 90°
(b) 45°
(c) 60°
(d) 120°
2. A projectile has maximum range when launched at an angle θ. If launched at angle (90° – θ), its range will be:
(a) Same
(b) Half
(c) Double
(d) Quarter
3. The velocity of a particle moving along a straight line is given by v=4+2tv = 4 + 2tv=4+2t. What is the displacement between t = 0 and t = 3 seconds?
(a) 15 m
(b) 21 m
(c) 30 m
(d) 33 m
4. Statement I: In projectile motion, the horizontal component of velocity remains constant throughout the motion.
Statement II: There is no net external horizontal force acting on the projectile during its flight.
Select the correct option based on the following codes:
(a) Both Statement I and Statement II are correct, and Statement II correctly explains Statement I.
(b) Both Statement I and Statement II are correct, but Statement II does not explain Statement I.
(c) Statement I is correct, but Statement II is incorrect.
(d) Statement I is incorrect, but Statement II is correct.
5. A stone is projected horizontally from the top of a 45 m high cliff with a speed of 10 m/s. How far from the cliff base does it strike the ground? (g = 10 m/s²)
(a) 15 m
(b) 30 m
(c) 45 m
(d) 60 m
6. A body of mass m moves on a rough horizontal surface. The coefficient of friction is μ. If it’s moving at a constant velocity, what is the frictional force acting on it?
(a) mg
(b) 0
(c) μmg
(d) μ²mg
7. A block slides down a frictionless inclined plane with acceleration a. If the angle of inclination is doubled, acceleration will:
(a) remain same
(b) double
(c) become half
(d) increase but not double
8. Centripetal force acting on an object moving uniformly in a circle depends on:
(a) mass, radius, speed
(b) mass only
(c) speed only
(d) radius only
9. If a conical pendulum’s string length is doubled, what happens to the period of rotation?
(a) Doubles
(b) Halves
(c) Becomes four times
(d) Increases by factor √2
10. A satellite is orbiting close to Earth’s surface. If its velocity decreases slightly, it will:
(a) Continue in the same orbit
(b) Escape into space
(c) Move to a higher orbit
(d) Spiral downward toward Earth
11. Work done by a conservative force is zero when:
(a) displacement is zero
(b) force is perpendicular to displacement
(c) Both (a) and (b)
(d) displacement is parallel to force
12. If the kinetic energy of a body increases by 100%, the linear momentum increases by:
(a) 100%
(b) 41%
(c) 50%
(d) 200%
13. A body freely falling from rest has kinetic energy proportional to:
(a) Height fallen
(b) Time elapsed
(c) Velocity squared
(d) None of the above
14. If the momentum of a body is doubled, its kinetic energy becomes:
(a) twice
(b) four times
(c) half
(d) unchanged
15. Statement I: A solid sphere reaches the bottom of an inclined plane earlier than a solid cylinder, despite having the same mass and radius.
Statement II: The moment of inertia of a solid sphere is greater than that of a solid cylinder, causing it to accelerate faster.
Select the correct option based on the following codes:
(a) Both Statement I and Statement II are correct, and Statement II correctly explains Statement I.
(b) Both Statement I and Statement II are correct, but Statement II does not explain Statement I.
(c) Statement I is correct, but Statement II is incorrect.
(d) Statement I is incorrect, but Statement II is correct.
16. In a perfectly elastic collision:
(a) Momentum is conserved, and kinetic energy is lost
(b) Kinetic energy is conserved, and momentum is lost
(c) Both momentum and kinetic energy are conserved
(d) Neither momentum nor kinetic energy is conserved
17. A bullet is fired into a stationary wooden block. If the collision is perfectly inelastic, which quantity remains conserved?
(a) kinetic energy
(b) momentum
(c) velocity
(d) acceleration
18. Two bodies of masses m and 4m move with equal kinetic energies. The ratio of their linear momenta is:
(a) 1:4
(b) 4:1
(c) 1:2
(d) 2:1
19. If the coefficient of restitution between two colliding spheres is 1, the collision is:
(a) perfectly inelastic
(b) perfectly elastic
(c) partially elastic
(d) not possible
20. Two identical bodies collide elastically head-on, one initially at rest. After collision, the second body will:
(a) Remain at rest
(b) Move with half speed
(c) Move with the same speed
(d) Move with double speed
21. A geostationary satellite revolves around the Earth at:
(a) any height
(b) height about 36,000 km
(c) height less than 10,000 km
(d) height more than 100,000 km
22. The angular velocity of the Earth around its axis is approximately:
(a) 7.3×10−57.3\times10^{-5}7.3×10−5 rad/s
(b) 7.3×10−47.3\times10^{-4}7.3×10−4 rad/s
(c) 7.3×10−37.3\times10^{-3}7.3×10−3 rad/s
(d) 7.3×10−27.3\times10^{-2}7.3×10−2 rad/s
23. The ratio of gravitational acceleration at Earth’s surface to that at a height equal to Earth’s radius is:
(a) 4:1
(b) 1:2
(c) 2:1
(d) 1:4
24. Moment of inertia depends upon:
(a) Distribution of mass
(b) Axis of rotation
(c) Shape and size
(d) All of these
25. A solid sphere, a ring, and a solid cylinder have equal masses and radii. When rolling down an inclined plane, which reaches the bottom first?
(a) Ring
(b) Solid cylinder
(c) Solid sphere
(d) All reach simultaneously
Answer Keys: 1.(a) 2.(a) 3.(b) 4.(a) 5.(b) 6.(c) 7.(d) 8.(a) 9.(d) 10.(d) 11.(c) 12.(b) 13.(a) 14.(b) 15.(c) 16.(c) 17.(b) 18.(c) 19.(b) 20.(c) 21.(b) 22.(a) 23.(d) 24.(d) 25.(c)
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