1,019 prompts matching "A set closed under one operation but not another"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Explain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
Worked Example: Checking the solution of three equations by substitution
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on checki
Worked Example: The units of mass, and the SI unit
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the un
Learn: Inertia, and what mass actually measures
You are my personal SS3 Further Mathematics tutor. Teach me inertia, and what mass actuall
Worked Example: The weight of a body as mass times g
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the we
Learn: Converting a weight given in kilogram-force into newtons
You are my personal SS3 Further Mathematics tutor. Teach me converting a weight given in k
Explain Back: The resultant of two forces acting in the same straight line
I have just studied the resultant of two forces acting in the same straight line in my SS3
Worked Example: The direction of the resultant of two forces
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the di
Learn: The resultant of two perpendicular forces
You are my personal SS3 Further Mathematics tutor. Teach me the resultant of two perpendic
Explain Back: Showing that a system of concurrent forces is in equilibrium
I have just studied showing that a system of concurrent forces is in equilibrium in my SS3
Worked Example: Marking the weight, the normal reaction and the friction on a diagram
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on markin
Learn: A space diagram and a force diagram drawn side by side
You are my personal SS3 Further Mathematics tutor. Teach me a space diagram and a force di
Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
Worked Example: Using the sine rule on the triangle of forces
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on using
Explain Back: The order in which the forces are drawn round the triangle
I have just studied the order in which the forces are drawn round the triangle in my SS3 F
Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
Learn: Choosing the point about which to take moments
You are my personal SS3 Further Mathematics tutor. Teach me choosing the point about which
Worked Example: Drawing the polygon of forces to scale
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on drawin
Worked Example: The moment of a force about a point on its own line of action
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the mo