Physics-
General
Easy
Question
Moment of inertia of a thin semicircular disc (mass = M & radius = R) about an axis through point O and perpendicular to plane of disc, is given by :
- MR2
The correct answer is:
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physics-
In the triangular sheet given PQ = QR = l. If M is the mass of the sheet. What is the moment of inertial about PR
In the triangular sheet given PQ = QR = l. If M is the mass of the sheet. What is the moment of inertial about PR
physics-General
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The moment of inertia of semicircular plate of radius R and mass M about axis AA’ in its plane passing through its centre is
The moment of inertia of semicircular plate of radius R and mass M about axis AA’ in its plane passing through its centre is
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Let I1 , I2 and I3 be the moment of inertia of a uniform square plate about axes AOC, xDx' and yBy' respectively as shown in the figure. The moments of inertia of the plate I1 : I2 : I3 are in the ratio.
Let I1 , I2 and I3 be the moment of inertia of a uniform square plate about axes AOC, xDx' and yBy' respectively as shown in the figure. The moments of inertia of the plate I1 : I2 : I3 are in the ratio.
physics-General
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Moment of inertia of a rectangular plate about an axis passing through P and perpendicular to the plate is I. Then moment of PQR about an axis perpendicular to the plane of the plate:
Moment of inertia of a rectangular plate about an axis passing through P and perpendicular to the plate is I. Then moment of PQR about an axis perpendicular to the plane of the plate:
physics-General
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Find the moment of inertia of a plate cut in shape of a right angled triangle of mass M, side AC = BC = a about an axis perpendicular to the plane of the plate and passing through the mid point of side AB
Find the moment of inertia of a plate cut in shape of a right angled triangle of mass M, side AC = BC = a about an axis perpendicular to the plane of the plate and passing through the mid point of side AB
physics-General
physics-
A point mass mA is connected to a point mass mB by a massless rod of length l as shown in the figure. It is observed that the ratio of the moment of inertia of the system about the two axes BB and AA, which is parallel to each other and perpendicular to the rod is 
The distance of the centre of mass of the system from the mass A is
A point mass mA is connected to a point mass mB by a massless rod of length l as shown in the figure. It is observed that the ratio of the moment of inertia of the system about the two axes BB and AA, which is parallel to each other and perpendicular to the rod is The distance of the centre of mass of the system from the mass A is
physics-General
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A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
Choose the correct statement(s) related to particle m
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
Choose the correct statement(s) related to particle m
physics-General
physics-
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
Identify the correct statement(s) related to the situation when the particle starts moving downward.
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
Identify the correct statement(s) related to the situation when the particle starts moving downward.
physics-General
physics-
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
The maximum height h attained by the particle is
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
The maximum height h attained by the particle is
physics-General
physics-
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
The final velocity of the wedge v2 is
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h.
The final velocity of the wedge v2 is
physics-General
physics-
The diagram to the right shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true?
I) R and S moved in the same direction after the collision.
II) Kinetic energy of the system (R & S) is minimum at t = 2 milli sec.
III) The mass of R was greater than mass of S.
The diagram to the right shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true?
I) R and S moved in the same direction after the collision.
II) Kinetic energy of the system (R & S) is minimum at t = 2 milli sec.
III) The mass of R was greater than mass of S.
physics-General
physics-
A particle of mass m is released from a height H on a smooth curved surface which ends into a vertical loop of radius R, as shown
The minimum value of H required so that the particle makes a complete vertical circle is given by
A particle of mass m is released from a height H on a smooth curved surface which ends into a vertical loop of radius R, as shown
The minimum value of H required so that the particle makes a complete vertical circle is given by
physics-General
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A box of mass m is released from rest at position 1 on the frictionless curved track shown. It slides a distance d along the track in time t to reach position 2, dropping a vertical distance h. Let v and a be the instantaneous speed and instantaneous acceleration, respectively, of the box at position 2. Which of the following equations is valid for this situation?
A box of mass m is released from rest at position 1 on the frictionless curved track shown. It slides a distance d along the track in time t to reach position 2, dropping a vertical distance h. Let v and a be the instantaneous speed and instantaneous acceleration, respectively, of the box at position 2. Which of the following equations is valid for this situation?
physics-General
physics-
Imagine a situation in which the horizontal surface of block M0 is smooth and its vertical surface is rough with a coefficient of friction m.
In above problem, the value(s) of F for which M and m are stationary with respect to M0</sub
Imagine a situation in which the horizontal surface of block M0 is smooth and its vertical surface is rough with a coefficient of friction m.
In above problem, the value(s) of F for which M and m are stationary with respect to M0</sub
physics-General
physics-
In figure, two blocks M and m are tied together with an inextensible and light string. The mass M is placed on a rough horizontal surface with coefficient of friction m and the mass m is hanging vertically against a smooth vertical wall. The pulley is frictionless.
Choose the correct statement(s)
In figure, two blocks M and m are tied together with an inextensible and light string. The mass M is placed on a rough horizontal surface with coefficient of friction m and the mass m is hanging vertically against a smooth vertical wall. The pulley is frictionless.
Choose the correct statement(s)
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