CBSE XI Science Physics Oscillations
From a fixed support two small isentical spheres are suspended by means of strings of length 1m. THe two strings are pulled aside such that string 1 makes an angle of 30 degrees with the vertical and string 2 makes an angle of 6o degrees and then are released.Point "O" is given to be the mean position.Then the two spheres collide
a)at 'O' after 0.25s
b)at 'O'after 0.25s
c)on the right of 'O' after some time
d)on the right hand side of 'O' when the strings are inclined at 15 degrees with the vertical.
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CBSE XI Science Physics Motion in a Plane
a uniform rod is suspended by means of two strings of length 0.10m and 0.06m attached to its ends.the other two ends of the strings are teid to a nail.if tension in the first string is 30N,find the tension in the other.
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NEET1 ALL Class Laws of Motion Forces and Laws of Motion
A load W is to be raised by a rope from rest through a height h, the greatest tension which the rope can safely bear is nW. The least time in which the ascent can be made is:
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JEE Plances JEE (Main) Physics Rotational Mechanics
The arrangement consists of
two identical uniform solid cylinders each of
mass 5kg on which two light threads are wound
symmetrically. Find the tensions of each
thread in the process of motion. The friction
in the axle of the upper cylinder is assumed to
be absent.
1)4.9N 2)9.8N 3) 88N 4) 5.8N
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A particle of mass m is tied to a light string of length L and moving in a horizontal circle of radius r with speed v as shown. The forces acting on the particle are :- (1) mg and T (2) mg, T, directed inwards (3) mg, T, vertically downwards (4) only
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Two identical small bodies each of nass m and charge q are sispended from two strings of length l grom gixed point whole system is taken into orBitting satellite find tension in strings
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Three monkeys A,B,C with masses of 10,15,8 kg respec are climbing up and down the rope suspended from D.At the instant represented,A is descending the rope with an acceleration of 2m/s^2 and C is pulling himself up with an acceleration of 1.5m/s^2. Monkeys B is climbing up with a constant speed of 0.8m/s .Treat the rope and monkeys as a complete system and calculate the tension T in the rope at D.
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JEE Plances JEE (Main) Physics
A load of mass M=100kg is supported is a vertical plane by a string and pulleys .If the free end A of the string is pulled vertically downward with an acceleration a=2m/s^2, the tension in string is
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JEE Plances JEE (Main) Physics
Two blocks A and B of equal mass m are connected through a massless string and arranged as shown .Friction is absent everywhere.When the system is released from rest then find tension in string and acceleration of A.
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A rope of mass 4kg&length 10 is pulled by a force50N.find tension produced in the rope at a distance 3mfrom the point where force is acting
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The system shown in fig is in equilibrium, find the tension in each string ,T1,T2,T3,T4 and T5.
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In the arrangement shown what should be the mass of block A so that the system remains at rest .Also find force exerted by string on the pulley Q.
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A frictionless pulley of negligible weight is suspended from a spring balance .Masses of 1kg and 5kg are tied to the two ends of a string which passes over the pulley.The masses move due to gravity.During motion, the reading of the spring balance will be
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CBSE XI Science Physics Oscillations
The frequency 'n' of vibration of stretched string depends on its length 'L' its mass per unit length 'm' and the tension 'T' in the string obtain dimensionally an expression for frequency 'n'.
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Two blocks with masses m1 and m2 of 10kg and 20kg respec are placed as in fig. mew=0.2 bet all surfaces then tension in string and acceleration of m2 block at this moment will be
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A system of two blocks and a light string are kept on two inclined faces(rough) as shown. All the req data are mentioned in diagram.pulley is light and frictionless.If the system is released from rest then what is the range of the tension in the string?
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Define Tension force
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Hii
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A rope AB of mass m kg is hanging down such that its length is L . What will be the. Tension at point C on the rope which is situated at a distance x from the string
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A tungsten wire, 0.5 mm in diameter, is just stretched between two fixed points at a temperature of 40°C. Determine the tension in the wire when the temperature falls to 20°C. (coefficient of linear expansion of tungsten = 4.5 × 10–6/°C ; Young's modulus of tungsten = 3.45 × 1010 Nm–2)
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CBSE XI Science Physics Motion in a Straight Line
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a pendulum Bob of mass 80mg and carrying a charge of 20nc is at rest in a horizontal uniform electric field of stre strength 20,009NC-1 .find the tensio in the thread of the pendulum and the angle it makes with the vertical
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13 B
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two bodies with masses m1 and m2(m2>m1) connected by a thread lie on a smooth table.a force q is applied to larger mass and then to smaller mass.the ratio of tensions will be
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Fig shows a plastic ball of mass m suspended by a light string in a uniform field of intensity e.the ball comes in equilibrium at an angle thita .if ex and ey are the x component and y component of the electric field, find the charge on the ball and the tension in the string
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Two blocks A and B of masses 6 Kg and 3 Kg are moving with constant speed on a rough surface inclined at an angle 30° with respect to horizontal. Find (a) Coefficient of kinetic friction, assuming it to be same for both the block (b) Tension in the String
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Questions 23-25 are based on the information given below. Read the information and answer the questions that follow:A bob of mass ‘m’ is suspended by a string, g be the acceleration due to gravity the bob.When the bob is stationary, the tension ‘T’ in the string is T=mg.When the bob is pulled up with an acceleration ‘a’ the tension in the string is given by T= m (g + a)When the bob is allowed to move down with an acceleration ‘a’, the tension T in the string is given byT= m (g –a)
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Wt is tension in given fig
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question from Newtons laws
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CBSE XI Science Physics Motion in a Plane
in a vertical circle of radius r at what point in its path a particle may have tension equal to zero
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