Newtonian Mechanics

SI Gravitational Unit of force

Kg-wt

F.P.S unit of force

Poundal

F.P.S gravitational unit of force

lb-wt

F.P.S value of g

32 ft/s2

C.G.S unit of force

Dyne

C.G.S gravitational unit of force

gm-wt

C.G.S value of g

980 cm/s2

1 Newton equal to how many dyne

10^5 dyne

1 Poundal equal to how many Newton

0.13825 N

1 lb-wt equal to how many poundal and Newton

32 poundal and 4 N

1 kg-wt equal to how many Newton

9.8 N

Frictional Force is

Contact force

Force created due to collision is

Contact force

Stretched force is example of

Contact Force

Example of Non-contact force

Gravitational force

Example of non-contact force

Magnetic force

Example of non-contact force

Electric force

Who proposed idea about neutrino and when?

W. Pauli in 1930

Energy of beta particles is carried by what?

Neutrino

Who established relation between weak nuclear force and electromagnetic force?

Prof. Abdus Salam, Wienberg and Glashow

Newton’s laws of motion was published when and in which book?

1687 in Natural Philosophia

Definition of force is application of

First law of motion

Definition of inertia is application of

First law of motion

Direction of force is application of

Second law of motion

Magnitude of force is application of

Second law of motion

Characteristics of force is application of

Second law of motion

Unit of force is application of

Second law of motion

Unit force is application of

Second law of motion

Relation between acceleration and force is application of

Second law of motion

Independent principle of force is application of

Second law of motion

Motion of a carriage is application of

Third law of motion

Pulling a boat by rope or towing of boat is example of

Third law of motion

Long jump of an athelete is example of

Third law of motion

Flying of bird is example of

Third law of motion

Firing of bullet from gun is example of

Third law of motion

Books on a table is example of

Third law of motion

To jump from a boat is example of

Third law of motion

Walking is example of

Third law of motion

Exploration in the space is example of

Third law of motion

Motion of a rocket is example of

Third law of motion

If the relative velocity of a gas increases

Acceleration will be increased

Collision is example of

Impulsive force

Explosion is example of

Impulsive force

Sudden strike is example of

Impulsive force

To strike carom ball by a striker is example of

Impulsive force

Hitting of a tennis ball by the bat is example of

Impulsive force

To kick a football is example of

Impulsive force

To hit a nail by a hammer is example of

Impulsive force

To strike of a string of musical instrument is example of

Impulsive force

Moment of inertia depends on

Distance from the axis

Moment of inertia depends on

Structure or shape of the body

Moment of inertia depends on

Mass distribution of the body

Moment of inertia depends on

Angular velocity

Banking of roads is application of

Centripetal force

Motion of cyclist along a curved path

Centripetal force

Motion of the planets

Centripetal force

Rotation of planets around the sun

Centripetal force

Rotation of electron around the nucleus

Centripetal force

Seperation of liquid components of different densities

Centripetal force

Different types of pump

Centripetal force

Why the railway line of curved portion is comparatively high in outward site

Centripetal force

Collision between two ball of glass

Elastic collision

Collision between two ball of steel is

Elastic collision

Collision between two marble is example of

Elastic collision

Collision between two clay/soft mud ball is

Inelastic collision

When a gunshot is fired at a target

Inelastic collision

When a failing body get stuck in the mud

Inelastic collision

Frictional force always acts against motion is condition of

Static friction

Limiting magnitude of static frictional force is proportional to the perpendicular reaction is condition of

Static friction

Tangent of angle of friction is equal to the

co-efficient of friction

Angle of friction and angle of repose are

Equal to each other

Kinetic frictional force is proportional to the

Perpendicular reaction

Kinetic frictional force does not depend on

The tangential surface but depends on the nature of the two surfaces

If velocity is not more than kinetic frictional force is not dependent on

Velocity of the two surfaces

When a ship is moving in water or a rain drop is falling through the air then it is what type of friction

Fluid Friction

Sequence of angular velocity of time

Second hand> Minute hand > Hour hand

Another name of torque

Rotational force

Moment of inertia depends on

Angular velocity

Moment of inertia of a thin uniform bar rotating through one end is

4 times of passing through center

Moment of inertia doesn’t depend on

Volume of the body

Dimension of torque is similar to

Energy

Centrifugal force is

Pseudo force

1 rps is equal to

2 pie rad

A car of known mass in motion at uniform acceleration. Which law states that?

Newton’s second law

Principle of neutral force can be established from

Newton’s 2^nd law

Moment of inertia of a body depends on

Mass and position of axis of rotation

Moment of inertia of a body depends on

Mass and axis of rotation