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Mechanics key terms
Study Mechanics with curriculum-aligned Key Terms resources, practice links, and exam-focused support.
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key terms
Resource type
Topic
Mechanics
Key terms
length
length is a method cue for Quantities and units in mechanics. Use it when working on "P1 Understand and use fundamental quantities and units in the SI system, including length, time and mass; understand and use derived quantities and units including velocity, acceleration, force, weight and moment." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
position
position is a method cue for Kinematics language. Use it when working on "Q1 Understand and use the language of kinematics, including position, displacement, distance travelled, velocity, speed and acceleration." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
gradient
gradient is a method cue for Kinematics graphs. Use it when working on "Q2 Understand, use and interpret graphs in kinematics for motion in a straight line, including displacement against time with gradient interpretation and velocity against time with gradient and area interpretation." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
constant acceleration
constant acceleration is a method cue for Constant acceleration. Use it when working on "Q3 Understand, use and derive the formulae for constant acceleration for motion in a straight line and extend to two dimensions using vectors." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
calculus
calculus is a method cue for Calculus in kinematics. Use it when working on "Q4 Use calculus in kinematics for motion in a straight line, including v = dr/dt, a = dv/dt = d^2r/dt^2, r = integral of v dt and v = integral of a dt, and extend to two dimensions using vectors." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
projectiles
projectiles is a method cue for Projectiles. Use it when working on "Q5 Model motion under gravity in a vertical plane using vectors, including projectiles." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
force
force is a method cue for Force and Newton's first law. Use it when working on "R1 Understand the concept of a force and understand and use Newton's first law." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
Newton's second law
Newton's second law is a method cue for Newton's second law. Use it when working on "R2 Understand and use Newton's second law for motion in a straight line, restricted to forces in two perpendicular directions or simple cases of forces given as two-dimensional vectors, and extend to situations where forces need to be resolved in two dimensions." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
weight
weight is a method cue for Weight and gravity. Use it when working on "R3 Understand and use weight and motion in a straight line under gravity; use gravitational acceleration g and its value in SI units to varying degrees of accuracy; understand that g is not a universal constant and depends on location." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
Newton's third law
Newton's third law is a method cue for Newton's third law and equilibrium. Use it when working on "R4 Understand and use Newton's third law; use equilibrium of forces on a particle and motion in a straight line, restricted to forces in two perpendicular directions or simple two-dimensional vector cases; apply to smooth pulleys and connected particles; resolve forces in two dimensions; use equilibrium of a particle under coplanar forces." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
resultant forces
resultant forces is a method cue for Resultant forces and dynamics. Use it when working on "R5 Understand and use addition of forces, resultant forces and dynamics for motion in a plane." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
friction
friction is a method cue for Friction. Use it when working on "R6 Understand and use the F <= mu R model for friction, coefficient of friction, motion of a body on a rough surface, limiting friction and statics." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
moments
moments is a method cue for Moments. Use it when working on "S1 Understand and use moments in simple static contexts." and state the specific calculation, notation, or reasoning role it plays rather than treating it as a loose label.
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