287 prompts matching "The centroid of a figure with a cut-out"
Quiz: Constructing a parabola by the focus and directrix method for an eccentricity of 1
Set me a quick recall test on constructing a parabola by the focus and directrix method fo
Let me explain: Constructing the involute of a square and of a regular hexagon of 30 mm side
Act as my study partner. I will teach you constructing the involute of a square and of a r
Let me explain: The meaning of link, joint, crank, lever, slider and frame
Let me talk you through the meaning of link, joint, crank, lever, slider and frame from th
Quiz: Sketching freehand the mechanism of a pair of scissors
Set me a quick recall test on sketching freehand the mechanism of a pair of scissors at SS
Spot my mistake: The motion at the needle of a treadle sewing machine when the treadle oscillates
Show me a worked example on the motion at the needle of a treadle sewing machine when the
Teach me: Plotting the locus of a stated point on the coupler of the four-bar chain
Be my SS2 Technical Drawing teacher for this one point: plotting the locus of a stated poi
Let me explain: Measuring the stroke of the slider
Act as my study partner. I will teach you measuring the stroke of the slider in my own wor
Real-life Nigeria: Checking each other's stroke measurement against the calculated value of twice the crank radius
Take checking each other's stroke measurement against the calculated value of twice the cr
Spot my mistake: What happens to the output at a dead-centre position
Show me a worked example on what happens to the output at a dead-centre position with an e
Quiz: Determine the true shape of a right cone truncated at 45 degrees to the axis
I am revising True Shapes I for SS2 Technical Drawing. Test me on determine the true shape
Let me explain: Determine the true shape of a cylinder truncated by an oblique plane
Let me talk you through determine the true shape of a cylinder truncated by an oblique pla
Practice set: Modelling-clay cone at four angles in front of the class
Give me a practice set on modelling-clay cone at four angles in front of the class for SS2
Real-life Nigeria: Measuring the major and minor axes of their ellipse
Show me how measuring the major and minor axes of their ellipse works in real life in Nige
Spot my mistake: Why the cut face appears as a straight line in one view and an ellipse in another
Show me a worked example on why the cut face appears as a straight line in one view and an
Let me explain: Develop the surface of a truncated hexagonal prism
Act as my study partner. I will teach you develop the surface of a truncated hexagonal pri
Spot my mistake: Cut, fold and assemble the developments in cardboard
Show me a worked example on cut, fold and assemble the developments in cardboard with an e
Teach me: The finished models for accuracy of joints
You are my personal SS2 Technical Drawing tutor. Teach me the finished models for accuracy
Spot my mistake: Determine the curve of intersection of two cylinders of equal diameter meeting at 90 degrees
Write a short SS2 Technical Drawing answer about determine the curve of intersection of tw
Quiz: Develop the surface of the branch cylinder
Set me a quick recall test on develop the surface of the branch cylinder at SS2 level. Fiv
Practice set: Paper tube into a slot cut in a larger tube to show the saddle curve before the construction is
Give me a practice set on paper tube into a slot cut in a larger tube to show the saddle c