SP2d - Newton's Second Law Flashcards
What does Newton’s second law describe?
The factors that affect the acceleration of an object
What are the factors that affect the acceleration of an object in Newton’s second law
The acceleration in the direction of a resultant force depends on:
The size of the force and the mass of the object
What is the formula linking force, mass and acceleration?
Force = mass x acceleration
N Kg m/s^2
A motorcycle has a mass of 200kg. What force is needed to give it an acceleration of 7m/s squared?
200 x 7 = 1400 N
What is the inertial mass?
The force on the object divided by the acceleration that the force produces
The more massive an object is…
…the more force is needed to change it’s velocity
What does calculating an object’s inertial mass from values of force and acceleration give?
The same mass value as that by measuring the force of gravity on it
A force of 160 N on a bike produces acceleration of 2m/s^2, what the total inertial mass?
160/2 = 8
