Recently Active Mechanics Questions

check the paragraph ques related to collisions please explain the ans to first ques of this paragraph also check the para of archimides principal here also please explain the ans to the ques that as the bubble rises up which ...

A steel ball with volume V is sinking with a speed of 'v' in a closed jar filled with honey. what is the momentum of the honey if its density is ρ? there actually was life bustling once in this thread but everyone (that incl ...

Find the minimum energy required to launch a m kg satellite from earth's surface in a circular orbit at an altitude 2R where R is earth's radius ...

A slab of mass M = 15 kg can move without friction over a level floor. A mass m = 10 kg is placed on the slab, and a massless string passed over two pulleys fastened to the slab is attached to it. The coefficient of friction ...

Two balls of equal density, and radii r and R =2r, are placed with the center of the larger one at the middle of a cart of mass M and length L. The mass of the smaller ball is m. The balls are made to roll, without slipping, ...

wich of these 3 (more than 1 crrct) represent progressive waves : y = 1/(4 + (4t - 3x)2 ) y = sin(4t - 3x) y = 1/(4t+3x) ...

a cubical open vessel of diameter 5m is filled with a liquid The vessel is accelerated horizontally in such a way that the height of the liquid becomes 5m and the pressure at the mid point of the vessel becomes equal to the a ...

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*Image* pulleys and strings are massless and there is no friction.find the relation for accelerations between hanging plank marked 1 and block marked 2. plz explain ...

match the fol. here....... *Image* EK AUR ........ Displacement - Velocity Equation of a particle : x = k - k'V2 k,k' are const. FIND Time Period T ...

A small particle travelling with a velocity v collides elastically with a smooth spherical body of equal mass and of radius r initially kept at rest. The centre of this spherical body is located at a distance l (l < r) awa ...

TRUE/FALSE (1) The pulley arrangements (a) and (b) are identical. THE ACCELERATION OF THE MASS m IS THE SAME IN BOTH CASES.. *Image* (2) Two identical trains are moving on rails alog the equator on the earth in opposite direc ...

Q. A right triangular wedge of mass M rests on an absolutely smooth horizontal surface. A block with a mass m is placed on the inclined surface of the wedge, the inclination α being with the horizontal. This system is releas ...

The object moves on the x axis in such a way that its velocity and displacement from the origin satisfy v=-kx , where k is a positive constant A) The object executes simple harmonic motion B) The object does not change its di ...

*Image* *Image* THE SOLUTION IS PROVIDED BELOW WELL MY Q IS I CANT UNDERSTAND FIRST STEP means why is it (m2+2m1 )/m1m2 and not (m2+2m1 )/2m1m2 where did the 2 of m1 go in the denominator ??????? please explain ...

find the min acch a0 for which for small block will fall of the bigger block *Image* a)a0=g b)a0=2g c)a0=3g d)a0=√2g ...

TargetIIT » Forum » Mechanics » laws of motion try that with an additional :mass per unit length of string is α *Image* ...

*Image* coeff of friction between any two blocks is 1/2. what is the max value of D such dat blocks move xithout slipping..... assume friction is there with surface ...

A skier moves with a constant speed of 6 m/s along a parabolic path y = x2/20 . Find the acceleration when he is at (10,5) ...

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a block of mass m moving on a circular path of radius R with constant tangettial acceleration at,the surface is rough(coefficient of friction is μ). Find the speed of the block at which it will leave the circular path a)√Π...

force Fvector=yi +xj acts upon a particle of mass m here how we can check that whether origin is unstable or stable equilibrium ...

a particle is observed from an inertial frame of reference and it is found to move on circular path of radius r with a uniform speed v The centrifugal force on the particle is ?? a ball of mass M strikes another ball of mass ...

1) a drop of water of mass 0.2 g is placed between two glass plates The distance between them is 0.01 cm Find the force of attraction between the plates if surface tension of water =0.07N/m-1 2)If p is the pressure of a gas i ...

Pl. try Q 94 n 95 *Image* ...

*Image* Ans : B *Image* Ans : B ...

*Image* the coeff of friction between the wedge of mass M and block of mass m is u.find the magnitude of force (F) reqiured to keep the block stationary wrt wedge.plz expln.... ...

HEAT-16 *Image* ELECTROMAG.41 *Image* ...

pls WORK OUT these sums for me 1)If a1 and a2 are two non-collinear unit vectors and if (Modulus)[a1+a2]= 3 ,then the value of (a1-a2).(2a1+a2)is (a)2 (b)3/2 (c)1/2 (d)1 2)A particle moves on a given line with a constant spee ...

plzzz explain me the answer of Q30 and Q31 from SHM in HC Verma ...