Formulas And RQPS Flashcards
What is hooke’s law
Force is directly proportional to extension provided the ELASTIC LIMIT is not reached
What is the experiment to prove hookes law
Use a clamp stand with a spring and add weights.
Measure how far down the spring has travelled
What are some errors that could occur in hookes law
Spring is moving
Not measuring from the same point
Parralx error not at eye level
What is the equation for hookes law
F=kx
F-force (N)
K- constant (cm)
X- extension
What is the Force and Acceleration experiment
Where a trolley is pulled by weights across a level platform
A data logger will measure the acceleration
Keep the total weight of the system the same but take weights of the trolley and add them to the hanger ( smooth frictionless pulley wheel)
What is the momentum equation
P=mv
P-momentum (kgm/s)
M-mass (kg)
V-velocity (m)
What is networks second law
Force is directly proportional to mass x acceleration F=mxa Force (newtons) Mass(kg) Acceleration(m/s2)
What is the acceleration and velocity time graphs formula
A=v-u/t Acceleration V-final velocity U-initial velocity T-time