Consider a bead starting at rest point K. It then slides along the frictionless

Question

Consider a bead starting at rest point K. It then slides along the frictionless wire to A. KE refers to the kinetic energy of the bead. PE refers to the gravitational potential energy of the bead. Total Energy refers to the total mechanical energy of the bead.

Greater Than Equal To Less Than: The Total Energy of the bead at Point F is _____ the TE at E.
Greater Than Equal To Less Than: The KE of the bead at Point M is _____ the KE of the bead at Point E.
Greater Than Equal To Less Than: The KE of the bead at Point L is _____ the KE at H.
Greater Than Equal To Less Than: The PE of the bead at Point L is _____ the PE at H.

Explanation / Answer

1.The Total Energy of the bead at Point F is Equal the TE at E. (no heat loss and due to mechanical energy conservation ,TE at each and every point is same)

2. The KE of the bead at Point M is Equal the KE of the bead at Point E. (at same level PE is same and due to mechanical energy conservation ,TE at each and every point is same so KE at same level is Equal)

3. The KE of the bead at Point L is Greater the KE at H. (at lowest point , mimimum PE so KE is Maximum)

4.The PE of the bead at Point L is Less the PE at H.

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