Torque | Physics

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Torque | Physics

Рет қаралды 417

Күн бұрын

In this video, we explain what torque is; we also cover definitions for “lever arm”, “axis of rotation”. We look at how to calculate torque in various scenarios and what we do when we have multiple torques acting on the same rotating object.
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Пікірлер: 9

@imnemo2327 2 ай бұрын

Cool video btw. What are you using to draw these?

@PhysicsTutoringHub 2 ай бұрын

Thank you. I'm just using photoshop at the moment and a graphics tablet.

@imnemo2327 2 ай бұрын

@@PhysicsTutoringHub great. Thanks for the reply. If you're looking for topic for your next video, I would recommend making one on inductors working and the ir application in circuits and how they are use.

@imnemo2327 2 ай бұрын

@@PhysicsTutoringHub Also, If you don't mind, can you share the model of graphics tablet you're using. I am planning on getting one as a student.

@PhysicsTutoringHub 2 ай бұрын

@@imnemo2327 That's a brilliant idea. Thanks for the suggestion. And as for the graphics tablet, it's a Huion Kamvas Pro 12 but there might be better ones on the market now - I bought it maybe 3 or 4 years ago.

@imnemo2327 2 ай бұрын

@@PhysicsTutoringHub ok thanks.

@bilalsyed7760 2 ай бұрын

Hi, I just had a quick question about the differences between moments and torque, as I haven't been able to find any good videos about this.

@PhysicsTutoringHub 2 ай бұрын

Cool, ask away and I'll try my best to help.

@PhysicsTutoringHub 2 ай бұрын

Hi Bilal. So, yes there is a difference between torque and moments but they use the same equation to measure their value (and have the same units - N.m). With Moments, the force applied to a rigid body at a distance (d) from the falcrum (or the pivot around which a lever turns.) has the "tendency" to rotate the object in question. This word "tendency" is important to note here. It means that it will try to rotate the object/beam but won't be able to. So, think of a diver standing on the end of a diving board. The diver's weight represents a force and that force is applied at a distance (d) away from the diving boards pivot/falcrum. The diving board bends, it doesn't rotate even though it wants to. So this diver's weight multiplied by their distance is the moment. Other examples would be the force applied to the end of a crane's arm. Torque is used in situations when there is an axis that freely rotates. Think of the bolt example at the beginning of the video. Other examples of torque would be the force applied by a bicycle chain on the gears of a bike. I hope this has helped.