Intro to Tech - Forces on Objects in Flight and Simple Machines

"An object in motion tends to stay in motion, while an object at rest tends to stay at rest, unless acted upon by an outside force" is ____________________

• Newton's Second Law

• The Law of Inertia

• Newton's Third Law

• The Theory of Relativity

Force equals mass times acceleration is

• Newton's Third Law

• Bernoulli's Principle

• Newon's Second Law

• The Law of Inertia

"Every action has an equal and opposite reaction" is

• Newton's Third Law

• The Theory of Gravitational Pull

• Newton's Second Law

• The Law of Inertia

• The force that acts at a right angle to the direction of motion through the air is

• lift

• thrust

• drag

• gravity

"As the velocity of a fluid increases, the pressure in the fluid decreases" is

• The Theory of Relativity

• The Theory of Gravitational Pull

• aerodynamics

• Bernoulli's Principle

The downward force on an object is

• lift

• thrust

• drag

• gravity

The action opposite of motion is

• lift

• thrust

• drag

• gravity

A device used to modify mechanical power is a

• mechanism

• machine

• tool

• power changer

A long bar that rests on a pivot point is a

• inclined plane

• wedge

• screw

• lever

A lever with the fulcrum between the load and force is a

• first class lever

• second class lever

• thrid class lever

• fourth class lever