A paratrooper is falling down with uniform velocity and also rotating with a constant angular velocity of 0.2 rad/sec. The body satisfies _.
Correct answer: C. Both the first and second conditions of equilibrium
- A. The first condition of equilibrium but not the second
- B. The second condition of equilibrium but not the first
- C. Both the first and second conditions of equilibrium
- D. Neither the first nor the second condition of equilibrium
Explanation
The correct answer is Option C: Both the first and second conditions of equilibrium. The first condition of equilibrium states that the sum of all forces acting on an object must be zero for it to move with constant velocity; since the paratrooper is falling with uniform velocity, this condition is met. The second condition of equilibrium states that the sum of all torques acting on an object must also be zero for it to rotate with constant angular velocity; since the paratrooper is rotating with a constant angular velocity of 0.2 rad/sec, this condition is also satisfied. Options A and B are incorrect as they each claim that only one condition of equilibrium is satisfied while in fact, both are. Option D is also incorrect because it suggests that neither condition is satisfied, which contradicts the provided information about uniform velocity and constant angular velocity.
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