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AP Physics 1: 3.5 Object Interaction and Forces. Which of the following quantities would need to be known in order to calculate the impulse of the...
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AP Physics 1: 3.4 System Interactions and Changes 203 Views
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Description:
AP Physics 1: System Interactions and Changes Drill 3, Problem 4. In which direction do the bike wheels generate torque?
Transcript
- 00:00
Thank you We sneak And here's your shmoop dooz your
- 00:06
brought to you by riding a bike once you learn
- 00:08
how you never forget it's kind of like physics right
- 00:11
Sort of All right bernie The biker is on his
- 00:14
daily twenty mile bike ride in which direction to his
Full Transcript
- 00:17
bike wheels generate torque And here the pencil answers All
- 00:20
right well this this is this Wow bernie is hard
- 00:24
core a twenty mile bike ride every day Really We
- 00:27
feel like bragging when we skip the escalator and walk
- 00:29
up a flight of stairs We're dealing with torque and
- 00:32
direction That means we're using the right hand rule Don't
- 00:36
get in a huff Southpaws We didn't say right hands
- 00:38
rule it's just the right hand rule That's what they
- 00:40
call it the land of physics right And rule is
- 00:43
a rule of thumb Show the direction of torque If
- 00:46
we hold out our right hand in the direction that
- 00:49
an object is moving and then curl our fingers in
- 00:52
the direction of the spin like that our thumb will
- 00:57
point in the direction of the torque In this case
- 01:00
that means the torque is heading to the left So
- 01:03
the correct answer is option b We remember way back
- 01:05
when we were too embarrassed to use our thumbs to
- 01:08
figure out math problems Numbers bigger than 4 used to
- 01:10
be tricky for us on that's What toes or for
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