1. earth rotating about its own axis

2. hour's hand of a clock

3. second's hand of a clock

4. flywheel of radius 2 m making 300 rpm

\[\begin {array} {1 1} (a)\;1,2,3,4 & \quad (b)\;2,3,4,1 \\ (c)\;3,4,1,2 & \quad (d)\;4,1,2,3 \end {array}\]

1. earth rotating about its own axis

2. hour's hand of a clock

3. second's hand of a clock

4. flywheel of radius 2 m making 300 rpm

\[\begin {array} {1 1} (a)\;1,2,3,4 & \quad (b)\;2,3,4,1 \\ (c)\;3,4,1,2 & \quad (d)\;4,1,2,3 \end {array}\]

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