The figure shows a bead sliding without friction along a curved wire in a vertic

Question

The figure shows a bead sliding without friction along a curved wire in a vertical plane. The bead starts from rest at position A. The direction of the gravitational field is the -y direction (toward the bottom of the page), the x-direction is to the right. Complete the statements below (select from G - Greater than, L - Less than, E - Equal to) or enter T - True, F - False, if appropriate. E.g., if the first is T, the second G, and the rest F, enter TGFFFF. i. The speed al B is the speed at C. ii. The acceleration at B is zero. iii. The velocity at C equals the velocity at B. iv. The acceleration in the y direction at H is zero. v. The speed at H is the speed at B. vi. The acceleration in the x direction at H is zero.

Explanation / Answer

more the height means more is gravitational PE.

so less is KE so less is the speed and vice versa.

(i) B and C are at same level.

Equal to .

(ii) YEs. Or true.

(iii) True (as explained in (i))

(iv) True.

(v) H is at lower position.

hecne At H, speeed will be gerater.

Greater than/

(vi) equal to

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