All of MECHANICS & MATERIALS in 15 mins - AS & A-level Physics

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Easy Vectors Trick: • Easy Vector Resolving ...
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00:00 Vectors & scalars
00:48 Weight & work done
02:06 Newton's laws of motion
03:19 Mass on a slope
04:39 SUVAT - Newton's equations of motion
05:20 Projectile motion
06:10 Momentum
08:31 Force & momentum, impulse & fluids
09:57 Moments
11:55 Upthrust & density
12:50 Springs & Hooke's law
13:36 Young modulus, stress & strain

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10 июл 2024

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Комментарии : 15

@viangarg1129 2 месяца назад

JUST IM TIME

@paperbot0173 2 месяца назад

Thankyou I have my yr12 physics mock tomorrow and your explanation of projectile motion and taking moments were very helpful.🤯

@elhammasoodi5978 Месяц назад

SAMEE

@legobrikz114 Месяц назад

you mention that any object that deforms elastically obeys hooke’s law, where hooke’s law only applies up to a certain point - the limit of proportionality. however, if the object stretches beyond the limit of proportionality, why is it that the deformation is still elastic? surely hooke’s law is not obeyed past the limit of proportionality no?

@legobrikz114 Месяц назад

right i think i found the answer myself, it’s because hooke’s law is a statement that extension is directly proportional to force and so the line on the graph up until the limit of proportionality is linear (obeying hooke’s law) however when it goes beyond the l.o.p the line starts to curve meaning that hooke’s law is no longer applied here : . hooke’s law only applies to the proportionality of stress and strain and not the deformation of a material. HOWEVER, that then does not mean that any object that deforms elastically obeys hooke’s law, and should be that any object that obeys hooke’s law deforms elastically instead 💯