Formulas Flashcards
Give the formula for velocity.
- Velocity = displacement/time taken
m. s-1
Give the formula for average acceleration.
=change in velocity/time taken
m.s-2
Rearrange the equation “a=(v-u)/t”.
at=v-u
Therefore: v=u+at
What’s the formula for step frequency?
=rate of stepping/number of steps /s
What is the equation for step velocity?
=step length x step frequency
Give the formula for angular distance.
Angular distance = sum of angles through which an object moves in passage from the initial and final position
(Scalar)
Give the formula for angular displacement.
Angular displacement = the magnitude of the difference between the initial and final positions of a rotating object.
(Vector)
Give the formula for angular speed (w).
=change in angular distance/time taken
Rad.s-1
Give the formula for angular velocity(w).
=change in angular displacement/time taken
Give the formula for angular acceleration (a).
=change in angular velocity/time taken
Give the formula for tangential velocity(vt).
=angular velocity(w) x radius of rotation (r)
Give the formula for arc length (s).
=angular displacement x radius of rotation
Give the formula for weight (W).
=mass x gravity
Give the formula for linear momentum.
=mass x linear velocity
Give the formula for impulse.
=force x time
Give the equation for force (N).
=mass x acceleration
Give the equation for work(J).
=force x distance
=F x d
Give the equation for power (W).
=work/time
=force x velocity
=W / t
Give the formula for speed.
- speed = distance covered/time talent
- s=d/t
(m. s-1)
Give the equation for RFD(N/s).
=peak force / time
=Fp/t
Give the equation for jump height.
=1/2gt2
=0.5 x gravity x half flight time squared
Give the formula for kinetic energy (J).
KE = 1/2 x mass x velocity squared KE = 1/2mv2
Give the formula for gravitational potential energy (J).
=mass x acceleration due to gravity x height
=mgh
Give the formula for strain energy.
=1/2 x prop constant x deformation
=1/2k deltax
Give the formula for total energy (J).
TE=KE+PE
Give the formula for linear momentum (kg.m/s).
=mass x linear velocity
=mv
Give the equation for the impulse - momentum relationship.
Force x (change in) time = change in (mass x velocity) Impulse = change in momentum
Give the formula for torque (T).
=eccentric force x distance of moment (torque) arm
=F x d
Give the equation for net moments.
=F1 x d1 - F2 x d2
Give the formula for moment of inertia (kg.m2).
=m x r2
