Torsion (Twisting Force) (Leaving Cert Engineering): Flashcards
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12 cards from this deck
What is torsion?
What is torsion?
A specific type of force involving twisting motions
What type of motion characterizes torsion?
What type of motion characterizes torsion?
Rotational movements
Define torsion force
Define torsion force
Two twisting forces acting in different directions on the same material
Where do torsion forces act?
Where do torsion forces act?
On the same piece of material but in different directions
What does torsion create inside material?
What does torsion create inside material?
Internal stresses
Type of stress pattern torsion creates
Type of stress pattern torsion creates
Spiral stress pattern through the component
Car component that experiences torsion forces
Car component that experiences torsion forces
Drive shafts
What do drive shafts transfer?
What do drive shafts transfer?
Rotary power from engine to wheels
Car uphill: what creates opposing torsion forces?
Car uphill: what creates opposing torsion forces?
Engine rotation vs gravity resistance
Material property needed for torsion resistance
Material property needed for torsion resistance
Good shear strength
How torsion stress differs from other forces
How torsion stress differs from other forces
Creates spiral patterns (vs linear patterns from other forces)
Engineering factor affecting torsion handling
Engineering factor affecting torsion handling
Component geometry (shape and dimensions)