Second Law of Motion
Second Law of Motion: Overview
This topic states Newton's second law of motion. It explains the change of momentum and discusses its relationship with mass and velocity. It also provides mathematical formulation of the second law of motion.
Important Questions on Second Law of Motion
Assertion: We should always wear a seat belt while travelling in a car.
Reason: Seat belt prevents us from falling forward due to inertia when sudden brakes are applied.
Atwood's machine consist of two loads of masses attached to the ends of a limp of inextensible string.
How does Newton's second law apply to Atwood Machine?
Atwood's machine is used to prove the Newton's third law of motion.
Force is inversely proportional to the acceleration of the body.
Which of the following is the unit of force?
When a striker hits the bottom of the pile of coins placed at the centre of a _____, only the lowest coin is removed.
Calculate the force required to impart a velocity of 30m/s in 12sec, if the mass of the car is 1500 kg _____.
If a force of 5 N is acting on a body of mass 10 kg, then the acceleration produced is _____ m/s2.
A body of mass 2 kg is acted upon by a force of 1Newton. Its acceleration is _____.
What is the forceacting on an object of mass m moving with an accelerationa?
Product of force and time is known as _____.
Product of force and time is known as _____.
The product of mass of a body (m) and acceleration (a) is equal to _____.
When a net force act on a body, it produces acceleration in the body in direction of the net force. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. This statement is in accordance with the _____.
A cricket player moves his hands while catching a fast cricket ball. The law which is in action during such a process is
The rate of change of momentum of an object is proportional to the applied external force and takes place in the direction in which external force acts. This is the definition of
