General Equations Flashcards
(24 cards)
Average speed = ?
Distance(m)
—————-
Time(s)
Average velocity = ?
Displacement(m)
————————
Time(s)
Period of a pendulum = ?
Total time (s)
————————-
Number of swings
Acceleration
Final velocity(m/s) - initial velocity(m/s)
——————————————————
Time(s)
Weight (N) = ?
Mass(Kg)*Gravitational Field Strength(m/s(squared))
Note: GFS= 10(m/s(squared))
Force = ?
Mass(Kg)*Acceleration(m/s(squared))
Density = ?
Mass(Kg)
—————————
Volume(m(cubed))
What does Hookes law measure for
Force(N)
Hookes Law:
Force(N) = ?
Constant(Nm)*extension(M)
Pressure(Pa) = ?
Force(N)
————————
Area(m(squared))
Fluid Pressure(Pa) = ?
Density(kg/m(cubed))gravitational field strength(m/s(squared))height(m)
Work(J) = ?
Force(N)*distance moved(m)
Power(W) = ?
Work(J)
————-
Time(s)
Kinetic Energy(J) = ?
1/2mass(Kg)velocity^2(m/s^2)
Gravitational Potential Energy(J) = ?
Mass(Kg)gravitational field strength(m/s^2) or (N/kg)height(m)
Efficiency(Power) = ?
Useful power output(W)
——————————— x 100
Total power input(W)
Efficiency(energy) = ?
Useful Energy Output(J)
——————————— x 100
Total energy input(J)
Moment(Nm) = ?
Force(N)*perpendicular distance from pivot(m)
Sum of clockwise moments(Nm) =
Sum of anticlockwise moments(Nm)
Momentum(Kgm/s) = ?
Mass(Kg)*velocity(m/s)
Force(N) = ?
Change in momentum(kgm/s)
——————————————
Time(s)
Impulse(kgm/s or N/s) = ?
Change in momentum(Kgm/s)
Centripetal force(N) = ?
Mass(Kg)*velocity^2(m/s)
————————————
Radius(m)
Orbital period(s)
2piradius(m)
———————
Velocity(m/s)
