M1 Essentials

Descrição

Completed essentials for Mechanics 1 topic
Chris Kay
FlashCards por Chris Kay, atualizado more than 1 year ago
Chris Kay
Criado por Chris Kay mais de 7 anos atrás
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Resumo de Recurso

Questão Responda
Particle Mass, but no size
Rough/Smooth Friction present/not present
Light No Mass
Rigid body Mass and Size, does not deform
Elastic/Inelastic Deforms/does not deform
Plane Flat surface (eg, a slope)
Vector quantities Displacement Velocity Acceleration Force
Scalar quantities Distance (m) Speed (ms^-1) (Magnitude of) acceleration (ms^-2) (Magnitude of) force (N) mass (kg) time (s)
Displacement-Time graph Displacement = Height Velocity = Gradient
Velocity-Time graph Displacement = Area Velocity = Height Acceleration = Gradient
SUVAT values s = displacement (m) u = initial velocity (ms^-1) v = final velocity (ms^-1) a = acceleration (ms^-2) t = time (s)
SUVAT equations v = u+at v^2 = u^2+2as s = 1/2(u+v)t s = ut+1/2at^2 s = vt-1/2at^2
Manipulating vectors [a] + [c] = [a+-c] [b] - [d] = [b+-d] k*[a] = [ka] [b] [kb]
Resolving vectors F = [F cos A] [F sin A] A = angle
Kinematics in 2 dimensions In 1 dimensional problems, direction is given as +ve or -ve In 2 dimensional problems, direction is defined by the vector
Equilibrium A particle in equilibrium has constant velocity (could be at rest), and has a resultant force of 0N acting on it (forces are balanced)
Always true Friction F<= uR
In motion or limiting friction F = uR
Newton's second law F = ma
Projectiles Horizontal: v constant Vertical: a = -9.8, SUVAT equations
Conservation of momentum m1u+m2u=m1v+m2v

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