Recently Active Mechanics Questions

an electron with a speed of 1.2 .10^7 m/s moves horizontally into a region where a constant vertical force of 4.5 . 10 -16N acts on it mass of electron is 9.11 . 10-31 kg find vertical distance electron is deflected durin tim ...

an object of mass 5kg is projected with v=20m/s at angle of 60 wit d horizontal .at highest point of its path d projectile explodes and breaks into 2 fragments of mass 1kg and 4kg.they separate horizontally.the explosion rele ...

These are two questions which I fancy a lot. Try them. They are common, but they check your basics. Q1) *Image* Rod AB of length 3m and weight 445 N is shown immediately after it has been released from rest. Compute the tensi ...

what is the minimum force to move a body of mass m on a horizontal floor with coeff of friction k ( ans is not kmg) ? ...

*Image* answer c ...

the 50 KG homogeneous smooth sphere rests on the 30 degree incline A and against the smooth vertical wall B.calculate contact forces at A and B. ...

A circular disc rolls down on an inclined plane without slipping. what fraction of totoal energy is translational? ...

modulus of elasticity ? ...

A liquid flows through two capillary tubes A and B connect in series. The length and radius of B are twice those of A. What is the ratio of the pressure difference across A to that across B? ...

an object goes from one point in a circle to another making an angle x degree.then change in velocity is? ...

the 50 KG homogeneous smooth sphere rests on the 30 degree incline A and against the smooth vertical wall B.calculate contact forces at A and B. ...

1. Q.A container filled with viscous liquid is moving vertically downwards with constant speed 3vo. A sphere of radius r is moving vertically downwards (in liquid) has speed vo. The coefficient of viscosity is eta . There is ...

A particle of mass m = 2 kg executes SHM in xy-plane between points A and B under action of force = Fx + Fy . Minimum time taken by particle to move from A to B is 1 sec. At t = 0 the particle is at x = 2 and y = 2. Then Fx a ...

Errr...i'm stuck somewhere. Can someone help me out? In the diagram, a vertical rod 'A' is attached to a platform which is rotating with angular velocity \omega _{1} around the X -axis. A second rod 'B' is attached to the fir ...

the 50 KG homogeneous smooth sphere rests on the 30 degree incline A and against the smooth vertical wall B.calculate contact forces at A and B. ...

*Image* FOR PRACTICE ...

1. A SIMPLE HARMONIC OSCILLATOR HAS AMPLITUDE A ,ANGULAR VELOCITY w AND MASS m ,THEN AVERAGE ENERGY IN ONE TIME PERIOD IS: a) 1/4 mw2A2 b) 1/2 mw2A2 c) mw2A2 d) 0. 2. A PARTICLE OF MASS m IS OSCILLATING NEAR THE MINIMUM OF OF ...

a circular loop of string rotates about its axis on a frictionless horizontal plane at a uniform rate so that the tangential speed of any particle of the string is v. if a small transverse disturbance is produced at a point o ...

A satellite S is moving in an elliptical orbit around the earth...the mass of satellite is very small compared to mass of earth....Which of the following is correct?? A. The acc of S is always directed towards the centre of t ...

*Image* Q) A small wedge of Mass M slides on the bigger wedge initially on the smooth horizontal ground as shown in figure . The mass of the bigger wedge is 6M. When the smaller wedge reaches the base of the bigger wedge , th ...

*Image* Setermine the natural freuency of vibration of 100N disc , assume the disc does not slip on the incline surface.. ...

*Image* ...

A disk an a sphere roll off two inclined planes of the same altitude and length. Which of the two objects will get to the bottom of the respective plane first? how does the result depend on the masses and diameters of the dis ...

*Image* a man pushes a cylinder of mass m1 with the help of a plank of mass m2 as shown. There is no slipping at any contact. The horizontal component of the force applied by the man is F. find: (a) the accelerations of the p ...

from where we can download solution of dc pandey mechanics vol 1and 2? ...

a sphere rests on two surface AB AND CD inclined at 60 and 30 degree resp.magnitude of normal force from a and b is? ...

The disk has a weight of 100N and rolls without slipping on the horizontal surface as it oscillates abt its equilibrium position . If the disk is displaced , by rolling it counterclockwise 0.4 rad, determine the equation whic ...

An inextensible rope tied to the axle of a wheel of mass m and radius r is pulled in the horizontal direction in the plane of the wheel. the wheel rolls without jumping over a grid consisting parallel horizontal rods arranged ...

if X,V and A denote displacement ,velocity and the accerleration of a particle executing SHM of time period T ,then which of the follownig will not change with time??? 1.A2T2 + 4k2V2 2.AT/X 3.AT+2kX 4.AT/V note, k=pie ...

1.. Identify the correct statement: 1) simple pend. with bob of mass M swings with the angular amplitude of 40°. When its angular amplitude is 20°, tension in string is Mgcos20°. 2) the greater the mass of pendulum the sho ...