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TPR Unit 5, Unit 5, P =potencia bp=brazo de potencia R =resistencia br…
TPR Unit 5
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Shear . this is caused by two equal forces applied in opposite directions tha cat on lines of action close to each other.
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- Condition for strong structures
Equilibrium : a body is in equilibrium when its structure remains a stationary.There are two types of a equilibrium : stable and unstable
Rigiditi:if a material is rigid , it does not change shape when force is applied to it :By contrast of the material does change shape .
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- Forces,stesses and strenght.
Stresses are the phiysical demand thts a body or object must whithstandwhen one or mor forces is apllied it
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Unit 5
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Motion trasmision
Motion conversion
Screw and nut, rack and pinion,cams ,crank and slider , eccentric.
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Rotary transmision :friction wheels,belt and pulleys ,gears,chainand sprockets , worm gear
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