😴Boring Flashcards
What is defined as the multiplication the output force that a machine provides?
Actual mechanical advantage (AMA)
Which type of acceleration which occurs when object falls from the sky, it will increase 9.81 m/s every second it stays in the air?
Acceleration of gravity
What is speed calculated over a distance called?
Average Speed
What is the velocity at which the force of the drag equals the object’s weight?
Terminal velocity
What is the, “center seeking”, force that causes an object to travel in a curved path rather than a straight path?
Centripetal
What is the SI unit of power?
A watt
What is the mathematical formula for total velocity?
V= displacement/time
Which law states that the velocity of an object does not change unless the object is acted upon by an external force?
The first law of motion
Which law states that the force required to accelerate an object at a certain at a certain rate equals the object’s mass times the desired location?
The second law
Which law states that for every action there is an equal and opposite reaction?
The third law
What law states that when the overall external force acting on a system is zero, the momentum of the whole system remains constant?
The law of conservation of momentum
What mathematical principle states than the square of the hypotenuse is equal to the squares of the legs?
The Pythagorean Theorem (c^2=a^2 + b^2)
What is the measure of how quickly an object moves?
Speed
What is the resistance arising to an object’s motion through a fluid or across a surface?
Friction
What is a vector showing the combined effect of two other vectors?
A resultant