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

Question

The figure below shows a bead sliding without friction along a curved wire in a vertical plane.

The bead slides starting from rest at position C on the frictionless wire. The direction of the gravitational field is in the -y direction (toward the bottom of the page).

True/False/Equal to/Greater than/Lesser than:

1. The acceleration at B is zero.
2. The velocity at B equals the velocity at D.
3. The speed at B is ... the speed at D.
4. The acceleration in the y-direction at A is ... zero.
5. The acceleration in the x-direction at A is ... zero.
6. The speed at A is ... the speed at B.

Thanks in advance.

Explanation / Answer

1.false 2.false 3.true 4.less than 5.greater than 6.greater than

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