Asked by Jerry
Which are in static equilibrium?
1. A box sliding down a ramp.
2. A baseball after being hit.
3. A box sliding along a horizontal surface.
4. A perfectly upright freely spinning top
5. A freely swinging simple pendulum
6. A spinning astronaut floating out in deep space.
7. A satellite orbiting Earth
I believe it is the 4, 6 and 7 options.
1. A box sliding down a ramp.
2. A baseball after being hit.
3. A box sliding along a horizontal surface.
4. A perfectly upright freely spinning top
5. A freely swinging simple pendulum
6. A spinning astronaut floating out in deep space.
7. A satellite orbiting Earth
I believe it is the 4, 6 and 7 options.
Answers
Answered by
bobpursley
Some are arguable, but I agree with you.
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