What quantity of motion is defined as the product of an object's mass and velocity ? correct
answers Momentum
Whose teachings dominated scientific thought for almost two thousand years ? correct answers
Aristotle
Who discovered the laws of motion and gravitation , laying the foundation for much of modern
physical science ? correct answers Isaac Newton
What is the velocity of an object that traveled 19 m in 2.0 s ? correct answers 9.5 m / s
What is the SI unit of work ? correct answers joule
What is a simple machine consisting of a wheel over which a rope or cable passes ? correct
answers pulley
What is the ideal mechanical advantage of an inclined plane with a length of 3.0 m and a height
of 1.5 m ? correct answers 2.0
What is the velocity at which air resistance stops a falling object from accelerating? correct
answers terminal velocity
What is any mathematical quantity that has both magnitude and direction ? correct answers
vector
A crate was being pushed by one person with a force of 35N to the left, and by another person
with a force of 26N to the right. What is the net force acting on the crate? correct answers 9N to
the left
, What is the momentum of a 5 kg bowling ball rolling forward at 7 m / s ? correct answers 35 kg -
m / s forward
What is the space relative to which motion is measured ? correct answers frame of reference
Together , the branches of physics discovered before 1900 are called ? correct answers classical
physics
The sum of two or more vectors is the ? . correct answers resultant
An object that hangs from a fixed point and swings back and forth because of gravity is a ?
correct answers pendulum
The distance an object travels per unit of time is ___ ? correct answers speed
The measure of how well a machine converts input work to output work is ? correct answers
efficiency
The center - seeking force that causes an object to travel in a curved path is called ? correct
answers centripetal force
The simple machine which is like an inclined plane that modifies the applied force and directs it
to the side is the ? correct answers wedge
Newton's second law of motion . correct answers F = ma
the relationship between free - fall distance and the acceleration of gravity correct answers d =
1/2 gt²