This NEET Physics assessment paper is based on Work, Power, Energy and Rotational Motion. These chapters are extremely important for Class 11 Physics, NEET and IIT-JEE preparation because they test energy conservation, the work-energy theorem, power calculation, torque, angular momentum, moment of inertia, rolling motion and deep conceptual clarity.
This paper has been prepared and solved by Kumar Sir, an experienced Physics Tutor in Malabar Hill – Mumbai. Kumar Sir is one of the best Physics teachers for serious NEET aspirants, and this paper has been designed in a systematic, conceptual and exam-focused manner. Students should attempt this paper sincerely, patiently and with full concentration.
If students are searching for Physics Tutor, NEET Physics Tutor, or Physics Tutor in Malabar Hill – Mumbai and they are unable to solve these questions properly, they should contact Kumar Sir for one-to-one online Physics classes.
This paper should be attempted only after revising the important formulas of Work, Power, Energy and Rotational Motion. First revise the formula bank, then solve the complete question paper under timed conditions. Do not open the solution immediately. First think, calculate, choose your answer, and then compare it with the official solution. Every mistake should be treated as a learning point.
Important Formula Revision for NEET Physics: Work, Power, Energy and Rotational Motion
Before starting this paper, revise the important formulas of Work, Power, Energy and Rotational Motion. NEET Physics often tests whether a student can select the correct formula, apply energy conservation properly, understand torque, handle angular momentum, and avoid calculation mistakes. Many students remember formulas but still lose marks because they do not know where and how to apply them. This formula bank will help you revise the major concepts quickly before attempting the paper.
Work, Power and Energy Formulas
W = F s cosθWork done by a constant force when force and displacement make an angle.
W = ∫F dxUsed when force changes with position in variable-force questions.
Wnet = ΔKThe work-energy theorem, used in direct energy-change questions.
K = 1/2 mv2Kinetic energy of a translating body.
U = mghPotential energy near the surface of Earth.
U = 1/2 kx2Spring potential energy, used in conservation of energy.
Ki + Ui = Kf + UfMechanical energy conservation for conservative-force situations.
P = W/tAverage power from work and time.
P = F · vInstantaneous power, used in NEET conceptual applications.
Pavg = total work / total timeAverage power over a complete interval.
η = useful output energy / input energyEfficiency in energy-transfer questions.
W = -1/2 kx2Work done by spring force from natural length to extension x.
W = 1/2 kx2Work done against spring force.
Collision and Energy Formulas
p = mvLinear momentum of a particle.
J = Δp = FΔtImpulse-momentum relation for short-time forces.
m1u1 + m2u2 = m1v1 + m2v2Conservation of momentum in isolated collisions.
e = relative speed of separation / relative speed of approachCoefficient of restitution for collision analysis.
v = (m1u1 + m2u2)/(m1 + m2)Final velocity in a perfectly inelastic collision.
Rotational Motion Basic Formulas
θ = s/rAngular displacement from arc length.
ω = dθ/dtAngular velocity definition.
α = dω/dtAngular acceleration definition.
v = rωRelation between linear and angular speed.
at = rαTangential acceleration in rotation.
ac = rω2 = v2/rCentripetal acceleration for circular motion.
ω = ω0 + αtRotational kinematics for constant angular acceleration.
τ = rF sinθTorque produced by a force about an axis.
I = Σmr2Moment of inertia definition for discrete masses.
L = IωAngular momentum of a rigid body.
τ = dL/dtTorque and angular momentum relation.
I1ω1 = I2ω2Conservation of angular momentum.
Krot = 1/2 Iω2Rotational kinetic energy.
W = τθWork done in rotational motion.
P = τωPower in rotation.
τ = IαRotational form of Newton's second law.
Rolling Motion Formulas
v = RωRolling without slipping condition.
K = 1/2 mv2 + 1/2 Iω2Total kinetic energy in rolling motion.
I = 2/5 MR2Moment of inertia of a solid sphere.
I = 2/3 MR2Moment of inertia of a hollow sphere.
I = 1/2 MR2Moment of inertia of a solid cylinder or disc.
I = MR2Moment of inertia of a ring or hoop.
a = g sinθ / (1 + I/MR2)Acceleration on an inclined plane during rolling.
Master Work, Energy and Rotation for NEET Physics
Dear students, Work, Power, Energy and Rotational Motion are not chapters to memorise blindly. They become easy only when you understand force, displacement, energy conservation, torque, angular momentum, moment of inertia and rolling motion properly. NEET and IIT-JEE questions from these chapters often look simple, but they contain hidden conceptual traps.
This paper should be solved like a real exam. Sit with a timer, attempt every question honestly, and do not open the solution before trying properly. If you are living in Malabar Hill – Mumbai and searching for a Physics Tutor for NEET, IB, ICSE, IIT-JEE, CBSE, IGCSE, AP Physics or any serious Physics preparation, contact Kumar Sir for one-to-one online Physics guidance. Kumar Sir helps students understand concepts deeply, solve difficult numericals, and build confidence for competitive exams.
Why Strong Physics Preparation Is Now More Important Than Ever
NEET Physics is becoming more conceptual and more competitive. Students must build conceptual clarity, calculation accuracy, speed, and the ability to solve unfamiliar problems under pressure. Memorising formulas is not enough; a serious aspirant must understand when, where, and how each formula should be applied.
Important Message for NEET 2027, 2028, 2029, 2030 and Future Aspirants
Future NEET aspirants must prepare seriously for online-style or changing exam patterns, where question variation and concept application may become more important. Practise papers under timed conditions, revise formulas repeatedly, analyse mistakes carefully, and strengthen weak chapters before they become score-limiting areas.
Why Study Physics with Kumar Sir?
Kumar Sir provides personalised one-to-one online Physics classes. He clears each and every concept, explains difficult topics in simple language, and helps students prepare for NEET, CBSE, JEE, IB, ICSE, IGCSE, AP Physics and other exams. His teaching style focuses on conceptual clarity, numerical practice, doubt-solving, and exam-oriented preparation. If you are struggling in Work, Power, Energy, Rotational Motion or any Physics topic, Kumar Sir can guide you step by step with patient explanation, systematic problem-solving, and focused revision support.
Use the index to jump to any question. Cream means not attempted, gold means selected, green means correct, red means wrong, and the maroon outline marks the current question.
