Ok anybody please help me with this question in which situation below which do N

ID: 2120677 • Letter: O

Question

Ok anybody please help me with this question in which situation below which do NOT do work. Thanks a million

1)Gravity acting on a ball rolling across a table.

2)Gravity acting on a ball falling off a table.

3)Friction acting on a ball rolling across a table.

4)Friction acting on a hockey puck sliding across a table.

5)The coil springs supporting a car which is staionary.

6)The coil springs supporting a car which is moving over a smooth road.

7)The spring which, when released, launches a pin ball.

8)The twisted rubber band which is turning the propeller on a small model airplane, which is being held stationary in the hand of the operator.

1)Gravity acting on a ball rolling across a table.

2)Gravity acting on a ball falling off a table.

3)Friction acting on a ball rolling across a table.

4)Friction acting on a hockey puck sliding across a table.

5)The coil springs supporting a car which is staionary.

6)The coil springs supporting a car which is moving over a smooth road.

7)The spring which, when released, launches a pin ball.

8)The twisted rubber band which is turning the propeller on a small model airplane, which is being held stationary in the hand of the operator.

5)The coil springs supporting a car which is staionary.

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