Gravity
Rate of acceleration due to gravity.
What is 9.8m/s2?
Causes changes in motion.
What is a force?
Force that resists motion.
What is friction?
Inversely propotional to mass (2nd).
What is acceleration?
Distance divide by time.
What is speed?
Accelerated motion that happens when an object falls with only the force of gravity acting on it.
What is free fall?
The rate at which velocity changes.
What is Accelaration?
Sum of all forces acting on an object.
What is net force?
The property of an object that resists changes in motion (1st).
What is interina?
Force divided by acceleration.
What is mass?
Objected only affected by gravity.
What is a projectile?
When an object is at a constant speed or rest.
What is equilibrium?
Causes acceleration.
What are unbalanced forces?
Unless acted on by outside forces ________ stays the same (3rd).
What is momentum?
Mass times force of gravity.
What is weight?
Force of gravity acting on an object that is 17N and has a mass of 4kg
What is 4.25N/kg?
Acceleration of an 3kg object acted on by a 6N forces.
What is 2m/s?
Strong nuclear force, electromagnetic force, weak force, gravity.
What are the 4 elementary forces?
Two forces of equal strength (3rd).
What are action and reaction forces?
Mass times velocity.
What is momentum?
When the apple fell on Newton’s head.
What is 1666?
Acceleration going from 10m/s to 70m/s in 8 seconds.
What is 7.5 m/s2?
Friction, tension, air resistance, compression, normal force.
What are contact forces?
Natural states (1st).
What are rest and constant speed?
m1v1 + m2v2 = m1v3 + m2v4.
What is conservation of momentum?