[ELI5] Why does applying a torque on an unthreaded cap map it easier to pull off?

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[ELI5] Why does applying a torque on an unthreaded cap map it easier to pull off?

In: Physics

2 Answers

Anonymous 0 Comments

When you are in a car and need to break fast you slow down the fastest just before your wheels stop completely. Once they stop you just slide along the road. Once you start sliding friction is lower.

If you twist instead of just pulling it open then you cause the cap to move thereby reducing the friction the cap had while being stuck and not moving. This lowers the total force required in the direction to pull the cap off.

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