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aehardin
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I'm taking a mechanics course & I'm confused regarding the difference of Net Force & Net Torque. Net Force refers to linear motion & Net Torque refers to rotational motion, correct?
- So, is it possible to have a system where the net force is zero, but the net torque is not zero? For example, force being applied wrench trying to move a bolt.
- And vice versa, is it possible to have a system where the net torque is zero, but the net force is not zero? Like, if a square box was being pushed along the ground.
- And is it possible to have a system where both Net Force & Net Torque are not zero? For example, a car in a head on collision, where its tires are still rotating forward, but it's skidding backwards from the collision.
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