Free daily NEET & JEE PYQs, quizzes & mock tests on TelegramJoin free →

NEET Physics: vehicle on a banked road Practice Questions

14 free multiple-choice questions on vehicle on a banked road (Laws of Motion) for NEET Physics, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.

Practice thousands more NEET questions in the app →
  1. Q1. What is the role of friction in a vehicle moving on a banked road?

    • AIt provides the necessary horizontal force to maintain equilibrium.
    • BIt increases the necessary banking angle.
    • CIt is entirely balanced by the banking force.
    • DIt ensures the vehicle moves at the ideal speed.
    Show answer & explanation

    Correct answer: A — It provides the necessary horizontal force to maintain equilibrium.

    Friction opposes the motion. In reality, friction is present and affects the required banking angle; it is not eliminated in the ideal case.

  2. Q2. If the static friction between the vehicle and the road is acting, how does it contribute to the required centripetal force when negotiating a banked road?

    • AIt opposes the tendency of motion
    • BIt reduces the required centripetal force
    • CIt provides the necessary horizontal force component
    • DIt causes the vehicle to slow down
    Show answer & explanation

    Correct answer: A — It opposes the tendency of motion

    Static friction acts parallel to the road surface. If the vehicle is sliding (or tends to slide), friction opposes the net tendency of motion, thus modifying the effective force available for turning.

  3. Q3. For a vehicle negotiating a banked curve, if the actual speed is greater than the ideal speed for zero friction, what effect does this have on the forces acting on the vehicle?

    • AThe normal force becomes zero
    • BThe vehicle tends to slide outward
    • CThe horizontal force becomes zero
    • DThe static friction must be increased
    Show answer & explanation

    Correct answer: B — The vehicle tends to slide outward

    If the actual speed is greater than the ideal speed, the tendency of the vehicle is to move outward, meaning the force of static friction (if present) will act to oppose this motion, pushing the vehicle towards the center of the turn.

  4. Q4. For a vehicle moving on a banked road, which force is responsible for providing the necessary centripetal force towards the center of the curve?

    • AStatic friction
    • BTension force
    • CNormal force
    • DComponent of gravitational force
    Show answer & explanation

    Correct answer: D — Component of gravitational force

    The component of the gravitational force (perpendicular to the road surface) provides the necessary centripetal force to keep the vehicle moving in a circular path along the banked road.

  5. Q5. For a vehicle moving at the ideal speed on a banked road, the angle of banking (θ) is related to the speed (v) and acceleration due to gravity (g) by the formula:

    • Av = √(rgcos θ)
    • Bv = √rg
    • Cv = √(rgtan θ)
    • Dv = √(rgsin θ)
    Show answer & explanation

    Correct answer: D — v = √(rgsin θ)

    For ideal banking where friction is ignored, the balance leads to v = √(rg sin θ). This formula relates the velocity to the geometry and the component of the normal force.

  6. Q6. Which of the following statements correctly describes the relationship between the speed and the banking angle for safe travel on a banked road?

    • AThe ideal speed is achieved when the horizontal component of the reaction force equals the required centripetal force.
    • BThe speed must be greater than the ideal speed to ensure safety.
    • CThe required speed depends only on the banking angle.
    • DThe safety depends on the friction coefficient, not the speed.
    Show answer & explanation

    Correct answer: A — The ideal speed is achieved when the horizontal component of the reaction force equals the required centripetal force.

    Safety requires that the horizontal force provided by the banking balances the required centripetal force, which is dependent on the speed and the geometry, defining the ideal speed.

  7. Q7. When a vehicle moves on a banked road, the normal reaction force provides the necessary centripetal force in the direction of the road. This scenario assumes:

    • AThe road is perfectly horizontal
    • BThe presence of friction is zero
    • CThe banking angle is zero
    • DThe vehicle is moving at the minimum possible speed
    Show answer & explanation

    Correct answer: B — The presence of friction is zero

    In the ideal case (no friction), the horizontal component of the normal force acts as the centripetal force, balancing the required centripetal acceleration derived from the road curvature.

  8. Q8. In the context of a vehicle moving on a banked road, which force provides the necessary centripetal force directed towards the center of the curve?

    • AThe component of gravity acting parallel to the road
    • BNormal force only
    • CThe horizontal component of the normal force
    • DStatic friction only
    Show answer & explanation

    Correct answer: C — The horizontal component of the normal force

    In a banked road scenario, the horizontal component of the normal force provides the necessary centripetal force required to keep the vehicle moving in a circular path, balancing the necessary centripetal acceleration.

  9. Q9. In the case of a vehicle moving on a banked road, if the road is banked at an angle θ and there is no friction, what is the relationship between the banking angle and the speed of the vehicle required for equilibrium?

    • Atan θ= v / (rg)
    • Btan θ= v² / (rg)
    • Ctan θ= g / v
    • Dtan θ= v² / rg
    Show answer & explanation

    Correct answer: B — tan θ= v² / (rg)

    For a vehicle moving on a banked road with no friction, the horizontal component of the normal force provides the necessary centripetal force. This leads to the relationship tan θ= v²/rg, where v is the speed, r is the radius of the turn, and g is the acceleration due to gravity.

  10. Q10. If the vehicle travels on a banked road at a speed less than the ideal speed, the tendency of the vehicle is to:

    • ASlide up the incline
    • BSlip towards the outer edge
    • CSlide down the incline
    • DAccelerate horizontally
    Show answer & explanation

    Correct answer: C — Slide down the incline

    If the speed is too low, the required horizontal force is insufficient, causing the vehicle to slide down the incline (over-banking effect is not achieved).

  11. Q11. When a vehicle is moving on a banked road at a specific velocity, the force providing the necessary centripetal acceleration is primarily derived from which component of the forces involved?

    • AThe vertical component of the normal force
    • BThe kinetic friction force
    • CThe tangential component of the motion
    • DThe horizontal component of the normal force
    Show answer & explanation

    Correct answer: D — The horizontal component of the normal force

    The centripetal force required for turning is provided by the horizontal component of the normal force, as this force is directed towards the center of the curve, providing the necessary inward acceleration.

  12. Q12. A vehicle of mass m moves on a road banked at an angle θ with a coefficient of friction μ. What is the condition for the vehicle to move without slipping on the road?

    • AThe horizontal component of the resultant force must balance the required centripetal force.
    • BThe angle of banking must be equal to the angle of repose of the road surface.
    • CThe horizontal component of the static friction must be zero.
    • DThe horizontal component of the normal force must equal the required centripetal force.
    Show answer & explanation

    Correct answer: A — The horizontal component of the resultant force must balance the required centripetal force.

    For the vehicle to move without slipping (equilibrium in the direction perpendicular to the road surface), the net horizontal force must provide the necessary centripetal force (mv²/R). This requires the components of the normal force and friction to balance the motion.

  13. Q13. The normal force acting on a vehicle on a banked road is related to the weight of the vehicle and the angle of banking by which formula?

    • AN = mg / sin θ
    • BN = mg cos θ
    • CN = mg / tan θ
    • DN = mg / cos θ
    Show answer & explanation

    Correct answer: D — N = mg / cos θ

    The normal force perpendicular to the road is related to the component of gravity acting perpendicular to the incline, which is mg cos θ in the balancing equation.

  14. Q14. A vehicle moves on a banked road. What is the primary force that keeps the vehicle moving in a circular path (or along the banked curve)?

    • AFriction force only
    • BNormal force only
    • CGravity only
    • DHorizontal component of the normal force
    Show answer & explanation

    Correct answer: D — Horizontal component of the normal force

    In the case of a banked road, the net horizontal force is provided by the horizontal component of the normal reaction force exerted by the road on the vehicle.

Keep going — practice on Padhai Karlo

Padhai Karlo gives you unlimited NEET practice: chapter-wise questions, timed quizzes, and full mock tests with an All-India Rank — free to start.

Get the free Android app →