Recently Active Mechanics Questions

hey dude i hv qualified for the 2n stage and hv 1 month to prepare my physics is kkk for maths what to study and how much to study in astronomy and what to study can anyone give me the link of the papers ...

i bought a book an introduction to mechanics by kleppner and i think its a very gud buk both for physics olympaids and iits however it has only mechanics can anyone give me buk on the same level or a basic guide of the contem ...

A particle is projected from ground with speed "u" such that the horizontal range is "R" and the maximum height is "H". The angular velocity of the particle about the point of projection, when it is at the highest point of it ...

A particle is observed from two frames s1 nd s2. The frame s2 moves wid respect to s1 wid an acceleration a .Let F1 nd F2 be the pseudo forces on the particle when seen from s1 nd s2 resp..which of the following r not possibl ...

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity ω about a vertical axis passing through one end . The tension in the rod at a distance x from the axis is ------------------. ans : ...

An artificial satellite moving in a circular orbit around the earth has a total(kinetic + potential) energy Eo.Its potential energy is A. -Eo B. 1.5Eo C. 2 Eo D. Eo ...

A particle of mass m moves due to the force = -\alpha m\vec{r} where alpha>0 is a const, and \vec{r} is the radius vector of the particle with respect to the origin. Initially.... \vec{r}=r_0\hat{i} & \vec{v}=v_0\hat{j} wh ...

Why do we consider Earth as an inertial frame , although earth has an acceleration (centripetal) ? Can somebody apply Newton's law from space? ...

The position of a particle with time t is given by x=t3-9t2+24t+1 find the distance travelled in 5 seconds. (Hint: sometimes i give easy questions ;) ) ...

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Ques1) *Image* A vertical spring is fixed to one of its end and a maseless plank fitted to other end. A block of mass m is released from some height (h) from the top end of the spring which is in relaxed position. Then choose ...

. A particle, which is constrained to move along the x-axis, is subjected to a force in the same direction which varies with the distance x of the particle from the origin as F(x)= - kx + ax3 . Here k and a are positive const ...

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A drop of mass m and density ρ is put between two glass plates at a separation 'd'.What is the force of attraction between the plates (T=surface tension) ...

this question may come (my intuition) as comprehension in jee 2010 *Image* ...

An object is attached to a vertical spring and slowly lowered to its equilirium position.this streches the spring by an amount d.if d same object attachd 2 d same spring is permitted to fall instead,through wat distance does ...

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a 20 cm long capillary tube is dipped into water . the water rises up to a height of 8 cm .if the entire arrangement is put in a freely falling elevator ,the length of the water column in the capillary tube will be .......... ...

A capillary is dipped in water vessel kept on a freely falling lift, then a)water will not rise in the tube b)water will rise to the maximum possible height of the tube ...

this question may come(my intuiion) as comprehension in jee 2010 *Image* ...

An annular ring of internal and outer radii r and R respectively oscillates in a vertical plane about a horizontal axis perpendicular to its plane and passing through a point on its outer edge. Calculate its time period. ...

*Image* Suppose a railroad car of mass M is present. (in the picture it's the box) . A pendulum (length of string=l) is held at rest at an angle alpha with the vertical. The bob of the pendulum has a mass m. Find the velocity ...

Maybe these are too tough , maybe very easy , but I would definitely appreciate a good solution of these problems ---- Find 1 > The gravitational field on a point mass due to an infinitely unstreachable thread of density p ...

A heavy load of mass m is suspended by a light spring of spring constant k. The spring is slowly pulled down at the mid-point(a certain work A is done thereby) and then released. Find: I)The maximum kinetic energy of the load ...

Three small bodies with mass ratio 3:4:5(mass of the lightest body being m) are kept at three different points on the inner surface of a smooth hemispherical cup of radius r .The cup is fixed at its lowest point on a horizont ...

*Image* Now,the block is shifted l/2 from the given position in such a way it compresses a spring and released. Find the time period of oscillation. ...

*Image* A sphere is rolling on a rough surface without slipping at the point of contact.Find the radius of curvature of the trajectory of point A when it is R/2 distance about the centre of the sphere.Velocity of COM is V ...

a man is on a boat which floats in a pond.The man jumps into the water.at the time when the man is inside water completely the level of water will a)be same b)inc c)dec wont it be same ?? just forgive me for asking a silly qu ...

Question. A uniform solid cylinder made of steel is compressed along the axis. Which of the following statements are correct?? (A) Decrease in volume of the cylinder is independent of its area of cross-section but directly pr ...