NDA Motion, Forces and Gravitation questions with solutions
Kinematics, laws of motion, friction, circular motion, momentum and gravitation. 40 questions from our 2016–2025 NDA pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.
NDA 2025
- At the highest point of its path, which one of the following is correct?
- The inertia of a body depends on its mass. 2. Momentum of a body is a scalar quantity.
- A stone tied to a string is whirled in a horizontal circle with uniform speed. The work done by the tension in the string in one complete revolution…
- A person stands on a weighing machine in a lift that is accelerating upward. The reading of the machine will be
- The time period of revolution of a geostationary satellite around the Earth is
- A body of mass 2 kg moving at 3 m/s collides with a stationary body of mass 1 kg and the two stick together. The loss of kinetic energy in the…
NDA 2024
- A car starts from rest and accelerates uniformly to 72 km/h in 10 s. The distance covered by it in this time is
- In an elastic collision between two bodies, which of the following quantities is conserved?
- Friction: 1. Rolling friction is less than sliding friction. 2. Friction acts in the same direction as the relative motion of the surfaces.
- A simple pendulum has a time period of 2 s on the Earth (a seconds pendulum). If it is taken to the Moon, where g is one-sixth of that on the Earth…
- A constant force of 10 N acts on a body of mass 2 kg, initially at rest, for 3 s. The momentum gained by the body is
NDA 2023
- Impulse has the same dimensions as which of the following quantities?
- Collisions is/are correct? 1. In an isolated system, linear momentum is conserved in every collision. 2. Kinetic energy is conserved in every…
- Escape speed is/are correct? 1. It depends on the mass of the projectile. 2. Its value for the Earth is about 11.2 km/s.
- A solid ball of mass 0.5 kg moving at 4 m/s strikes a wall and rebounds with the same speed. The magnitude of the change in its momentum is
NDA 2022
NDA 2021
- At its highest point: 1. Its velocity is momentarily zero. 2. Its acceleration is zero.
- A stone tied to a string is whirled in a horizontal circle. If the string suddenly breaks, the stone will move along
- Escape velocity from the Earth: 1. It does not depend on the mass of the body projected. 2. Its value is nearly 11.2 km/s.
NDA 2020
NDA 2019
- A body starts from rest and moves with a uniform acceleration of 2 m/s^2. The distance it covers in the 5th second of its motion is
- The inertia of a body depends on its mass. 2. A moving body has greater inertia than the same body at rest.
- A girl standing on a frictionless surface throws a heavy ball forward. She moves backward because of
- The mass of an astronaut on the Earth is 60 kg. On the Moon, where g is one-sixth of that on the Earth (take g = 10 m/s^2 on the Earth), the…
NDA 2018
- At the highest point of its flight, neglecting air resistance, its
- A freely falling body starting from rest covers distances in successive equal seconds in the ratio
- A constant force of 20 N acts on a body of mass 5 kg initially at rest. Its speed after 3 s is
- A car travels the first half of a journey at 40 km/h and the second half, covering the same distance, at 60 km/h. The average speed for the whole…
NDA 2017
- A ball thrown vertically upwards is at its highest point. At that instant its
- A passenger standing in a bus lurches forward when the driver suddenly applies the brakes. This is explained by
- A car moving at 20 m/s is braked with a uniform retardation of 5 m/s^2. The distance travelled by it during the last second before it stops is
- A projectile is fired at an angle of 45 degrees with the horizontal on level ground. The ratio of its maximum height to its horizontal range is
NDA 2016
- At the highest point of its path, its acceleration is
- If the linear momentum of a body is doubled while its mass remains constant, its kinetic energy becomes
- A body of mass 5 kg moving at 2 m/s is brought to rest in 5 s by a constant retarding force. The magnitude of the force is
- A simple pendulum has a time period T on the Earth. If it is taken to the Moon, where g is one sixth of that on Earth, its time period becomes
- The action and reaction forces in Newton's third law act on the same body. 2. Mass of a body is a measure of its inertia.
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