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Find the moment of the couple formed ...

Find the moment of the couple formed by forces `5hat(i) +hat(k)` acting at `(9,-1,2) and -5hat(i)-hat(k) ` acting at `(3,-2,1)`

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Find the moment of the couple formed by the forces 5hat(i)+hat(k) and -5hat(i)-hat(k) acting at the points (9, -1, 2) and (3, -2,1) respectively.

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What is the magnitude of the moment of the couple consisting of the force vec(F)=3 hat(i)+2hat(j)-hat(k) acting through the point hat(i)-hat(j)+hat(k) and -vec(F) acting through the point 2hat(i)-3hat(j)-hat(k) ?

Find the vector moment of the forces : hat(i)+2hat(j)-3hat(k), 2hat(i)+3hat(j)+4hat(k) and -hat(i)-hat(j)+hat(k) acting on a particle at a point P (0, 1, 2) about the point A(1, -2, 0) .

Find the volume tetrahedron whose coterminus edges are 7hat(i)+hat(k),2hat(i)+5hat(j)-3hat(k)and 4hat(i)+3hat(j)+hat(k) .

Find the torque of a force F=-3hat(i)+2hat(j)+hat(k) acting at the point r=8hat(i)+2hat(j)+3hat(k),(iftau=rxxF)

The torque of force F = -3 hat(i)+hat(j) + 5 hat(k) acting on a point r = 7 hat(i) + 3 hat(j) + hat(k) about origin will be

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Find the moment of vec F about point (2,-1,3), where force vec F=3hat i+2hat j-4hat k is acting on point (1,-1,2)

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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - IV
  1. Find the moment of the couple formed by forces 5hat(i) +hat(k) act...

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  2. For which of the following does the centre of mass lie outside the bod...

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  3. Which of the following points is the likely position of the cent...

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  4. A particle of mass m is moving in yz - plane with a uniform veloci...

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  5. When a disc rotates with uniform angular velocity, which of the follow...

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  6. A uniform square palte has a small piece Q of an irregular shape...

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  7. In the above problem , the CM of the plate is now in the followin...

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  8. The density of a non-uniform rod of length 1m is given by rho (x) = a ...

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  9. A Merry -go-round, made of a ring-like plarfrom of radius R and mass M...

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  10. Choose the correct alternative :

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  11. Figure shows two identical particles 1 and 2 , each of mass m ...

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  12. The net external torque on a system of particles about an axis is zero...

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  13. A uniform cube of mass m and side a is placed on a frictionless ...

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  14. A uniform uniform sphere of mass m and radius R is placed on a ro...

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  15. A T shaped object with dimesions shown in the figure , is lying a...

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  16. A circular ring of mass 6kg and radius a is placed such that its cente...

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  17. In the figure d shown a hole of radius 2 cm is made in a semicir...

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  18. The figure shows the positions and velocities of two particles . ...

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  19. A rod of length 3m and its mass par unit length is directly propo...

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  20. A wheel is rotating about an axis through its centre at 720 rp...

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  21. A particle of mass m describes a circle of radius r . The centripetal ...

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