Chapter 7 – Circular Motion
A particle is moving in a vertical circle. The tensions in the string when passing through two positions at angle 30^o and 60^o from vertical (lowest position) are T1 and T2 respectively, then
27
Nov
A particle is moving in a vertical circle. The tensions in the string when passing through two positions at angle 30^o and 60^o from vertical (lowest position) are T1 and T2 respectively, then A particle is moving in a vertical circle. The tensions in the string when passing through two positions at angle 30^o and [...]
A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of the string of the pendulum with respect to the vertical?
27
Nov
A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of the string of the pendulum with respect to the vertical? A simple pendulum oscillates in a vertical plane. When it [...]
A simple pendulum of length l and mass m performs oscillatory motion in a plane with respect to vertical. its angular limit is -f and +f for a displacement (θ) (θ < f), tension in sting and velocity of bob are respectively T and v. Then for above situation which relation is correct.
29
Oct
A simple pendulum of length l and mass m performs oscillatory motion in a plane with respect to vertical. its angular limit is -f and +f for a displacement (θ) (θ < f), tension in sting and velocity of bob are respectively T and v. Then for above situation which relation is correct. A simple [...]
A pilot of mass 81 kg loops the loop with steady speed of 300km/h. If the radius is 0.5 km then the force with which the pilot is pressed into the seat at the highest point of the loop ,is (g=10m/s^2)
29
Oct
A pilot of mass 81 kg loops the loop with steady speed of 300km/h. If the radius is 0.5 km then the force with which the pilot is pressed into the seat at the highest point of the loop ,is (g=10m/s^2) A pilot of mass 81 kg loops the loop with steady speed of 300km/h. [...]
The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is
29
Oct
The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is In vertical circular motion the ratio of kinetic energy of a particle [...]
A particle is projected so as to just move along a vertical circle of radius r. The ratio of the tension in the string when the particle is at the lowest and highest point on the circle is ?
29
Oct
A particle is projected so as to just move along a vertical circle of radius r. The ratio of the tension in the string when the particle is at the lowest and highest point on the circle is ? A particle is projected so as to just move along a vertical circle of radius r. [...]
A vehicle of mass m starts moving along a horizontal circle without slipping so that acceleration is a1 = bt^2, where b is constant. At t = t0 vehicle skids. The friction on the car as function of time t (< t0) is nm root^2 t^4 + bR. Find the value of n.
29
Oct
A vehicle of mass m starts moving along a horizontal circle without slipping so that acceleration is a1 = bt^2, where b is constant. At t = t0 vehicle skids. The friction on the car as function of time t (< t0) is nm root^2 t^4 + bR. Find the value of n. A vehicle [...]
A toy car starts from rest along the circular track of radius R on a horizontal board with a tangential acceleration a0. At the same instant, board starts from rest and accelerate upward with an acceleration a1. The coefficient of friction between board and car is u. The speed of the car relative to board at which it will skin in R^2(u^n (g + a1)^2 – a0^2) ^1/4. Find the value of n.
29
Oct
A toy car starts from rest along the circular track of radius R on a horizontal board with a tangential acceleration a0. At the same instant, board starts from rest and accelerate upward with an acceleration a1. The coefficient of friction between board and car is u. The speed of the car relative to board [...]
A car goes on a horizontal circular road of radius R. The speed increases at a constant rate a= dt/ dv = k. The friction coefficient between the tyre is μ. Find the speed at which the car will skid?
29
Oct
A car goes on a horizontal circular road of radius R. The speed increases at a constant rate a= dt/ dv = k. The friction coefficient between the tyre is μ. Find the speed at which the car will skid? A car goes on a horizontal circular road of radius R. The speed increases at [...]
A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of 0.5 m/s. What is the height of the plane of the circle from the vertex of the funnel ?
29
Oct
A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of 0.5 m/s. What is the height of the plane of the circle from the vertex of the funnel ? A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of [...]