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Q3 onwards
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3. Initially when the wheel was released without giving any spin, it fell. Does this motion have angular momentum associated with it?
No, its a free fall
Even though it's not a free fall, still angular momentum is zero
Yes, towards +z
Yes, towards -z
Yes, clockwise about z
Other:
4. If your answer to Q.3 is yes, what is the cause of that angular momentum?
The angular momentum is zero
Torque due to Mg about point of suspension caused angular momentum
Torque due to Tension about CM caused angular momentum
Other:
5. Note the sense of spin given to the wheel in the video. If the axis are considered as shown below, what is the direction of angular momentum due to spin?
Towards +x
Towards -x
Option 3
Other:
6. The wheel is given a spin, and released. Choose the correct option: The angular momentum due to spin is in direction ____ (a), and it is rotating towards ____ (b).
a) +x , b) +z
a) -x , b) -z
a) clockwise about x, b) clockwise about y
option 4
Other:
7. The wheel is given a spin, and released. Instead of a usual fall earlier, now it rotates. Which all torques are acting in this case?
Torque due to Mg, Torque due to Tension, and a rotational torque causing spin
Only Torque due to Mg and Tension
we can consider either torque due to Mg or due to Tension
Only torque due to Mg
Some mysterious torque causing such rotation
Other:
8. In the figure below, If L has rotated from its initial position to final position as shown, what does the 3rd side of the triangle indicate?
Torque
angular momentum
change in angular momentum and its direction is same as external torque
change in angular momentum but its direction is not related to external torque
Other:
9. If an additional weight is hung, then the torque due to its weight will
nullify/balance the torque due to weight of wheel, so effect is lesser
add to the torque due to weight of wheel, so effect is larger
the wheel cannot balance now and will fall as earlier
Option 4
Other:
10. If the wheel is spun in the opposite sense, then
no change, still the effect is same
the axle will turn in opposite direction as earlier
Option 3
Other:
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