A body of mass 10 kg is moving with a velocity of 100 m/s. Find the force needed to stop it in 5 seconds. Open Answer Ā»
A body of mass 100 g is at rest. A force acts on it for 3 seconds and the body attains a velocity of 15 cm/ s. Calculate the magnitude of force. Open Answer Ā»
The velocity of a body of mass 5 kg changes from 20 m/s to 10 m/s. Calculate the change of momentum of the body. Open Answer Ā»
Calculate the acceleration of a body of mass 5 kg when a force of 15 Newton acts on it Open Answer Ā»
The velocity-time graph of the motion of a car is given. Find the distance travelled by the car in the first six seconds Open Answer Ā»
The velocity-time graph of a body moving in a straight line is shown in the Fig. Find the displacement and distance travelled by the body in 6 seconds. Open Answer Ā»
The speed-time graph of a particle moving along a fixed direction is shown in fig. Obtain the distance traversed by the particle between Open Answer Ā»
Establish graphically : (i) v = u + at, (ii) s = ut + 1ā2 atĀ², (iii) vĀ² = uĀ² + 2as. Open Answer Ā»
LAQ : ‘All rest and motion are relative’- Explain. Define displacement, speed, velocity, acceleration and retardation.Ā Open Answer Ā»
LAQ : State and explain the principle of conservation of linear momentum and establish it from Newton’s third law of motion Open Answer Ā»
