assuming that his centre of mass moves by a distance ℓ(ℓ
A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rigidly at its opposite ends (see figure). The moment of inertia of the system about the axis OO’, passing through the centre of D1, as shown in the figure, will be:-
29
Nov
A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rigidly at its opposite ends (see figure). The moment of inertia of the system about the axis OO’, passing through the centre of D1, as shown in the figure, [...]
A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be :
29
Nov
A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be : A person of mass M is assuming that his centre of [...]
A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be :
29
Nov
A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be : A person of mass M is assuming that his centre [...]
Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length 2R and mass M (see figure). The moment of inertia of the system about the axis passing perpendicularly through the centre of the rod is :
29
Nov
Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length 2R and mass M (see figure). The moment of inertia of the system about the axis passing perpendicularly through the centre of the rod is : A person of mass M is assuming that [...]
A rod of length 50cm is pivoted at one end. It is raised such that if makes an angle of 30° from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s^−1) will be (g=10ms^−2)
29
Nov
A rod of length 50cm is pivoted at one end. It is raised such that if makes an angle of 30° from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s^−1) will be (g=10ms^−2) A person of mass M is assuming that his centre [...]
A person of mass M is, sitting on a swing of length L and swinging with an angular amplitude θ0. If the person stands up when the swing passes through its lowest point, the work done by him, assuming that his centre of mass moves by a distance ℓ(ℓ
29
Nov
A person of mass M is, sitting on a swing of length L and swinging with an angular amplitude θ0. If the person stands up when the swing passes through its lowest point, the work done by him, assuming that his centre of mass moves by a distance ℓ(ℓ A person of mass M is [...]