"external" in inglés with examples - Collocation dictionary inglés
- In the absence of external torques, the total angular momentum of the Earth as a whole system must be constant.
- We assume that the molecule is in a homogeneous (no external force) and isotropic (no external torque) space.
- A Spacecraft needs an attitude control subsystem to be correctly oriented in space and respond to external torques and forces properly.
- The Euler top describes a free top without any particular symmetry, moving in the absence of any external torque.
- However, external torques on the spacecraft may require a gradual buildup of reaction wheel rotation speed to maintain the spacecraft in a fixed orientation.
- Thus its angular momentum would be unchanged, unless an external torque were to be applied.
- Angular momentum is conserved in a system where there is no net external torque, and its conservation helps explain many diverse phenomena.
- So requiring the system to be "closed" here is mathematically equivalent to zero external torque acting on the system:
- In the absence of an external torque, the angular momentum of a body remains constant.
- The higher the angular momentum, the greater the resisting force of the gyro to external torque (in this case more ability to cancel boat roll).
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