BQ1=An object's momentum describes how hard it is for the object to stop its motion. Momentum is related to two characteristics of the object: mass and velocity of travel. Mathematically, we may express momentum with the formula (p is the accepted variable designation for momentum):
p = m x v
BQ2=A free-falling object is an object which is falling under the sole influence of gravity. That is to say that any object which is moving and being acted upon only be the force of gravity is said to be "in a state of free fall." This definition of free fall leads to two important characteristics about a free-falling object:
q1=In mechanics, friction plays a major role both in the laboratory and industrial worlds. Friction is the resistance to the sliding, rolling, or flowing motion of an object due to its contact with another object. Rolling friction is caused primarily by the interference of small indentations formed as one surface rolls over another. This is the idea behind the frictional forces involved with wheels, cylinders, and spheres. In the ideal case of the wheel, we must first look at the forces acting on the wheel. In pure rolling motion friction is required to start, stop, change the motion of a wheel
Q2=Havana
Q3=Brad Pitt was born in Oklahoma to Jane and Bill, a manager at a trucking firm. They later moved to Springfield, Missouri, where Brad would remain throughout childhood.
In high school Pitt was involved in sports, debating, student government and school musicals. After high school, he was torn as to where to go, but finally decided on college.
Pitt attended the University of Missouri where he majored in journalism with a focus on advertising. He occasionally acted in fraternity shows. He left college two credits short of graduating to move to California. He had hopes of being a big star, but didn't know where to start.
Before he became successful at acting, Pitt supported himself by driving strippers in limos, moving refrigerators and dressing as a giant chicken while working for "el Pollo Loco". In 1994, he starred in Legends of the Fall, and his long hair and overall 'sexiness' made him People Magazine's [coveted] Sexiest Man Alive. The honor helped propell him even further.
Q4=The Second Law governs all acceleration and is really very simple -- Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
Q5=a reference book containing an alphabetical list of words with information about them
