Scientific Basics
the application of science to benefit people
What unit is used to measure output work and input work?
Joules
A force of 10 newtons is applied to move a box 4 meters, how much work is performed?
40 joules
what type of energy is stored in chemical bonds?
chemical potential energy
What is it called when the expectations of a scientist influence the way that results are viewed?
Bias
What forms the basis of society?
a group of people that share similar values and beliefs
The force that prevents the sliding of stationary surfaces is termed what?
Static friction
A vehicle travels 100 miles in 45 minutes, what is the speed in miles per hour?
133 mph
A stretched rubber band is said to have what type of energy within it?
elastic potential energy
What tells us WHAT happens in every time and is a statement about WHAT occurs?
Scientific Laws, a scientific law
What is the role of ethics in scientific research?
To establish standards for collecting, analyzing, and reporting data.
What does the law of conservation of momentum state?
Momentum can be transferred but does not disappear, cannot be destroyed, etc
A man runs from rest to a speed of 30 m/s. This took 15 seconds. What was the acceleration?
2 m/s
What is the total amount of kinetic and potential energy in a system known as?
Mechanical energy
What is the rate of change of velocity called?
Acceleration
What is the latin word for science? (100 bonus points for saying what it translates into besides science)
Scientia, knowledge
How does air resistance impact a falling object? What does it do to the motion of the falling object?
It opposes the motion of a falling object
20 newtons of force are applied to a couch over a 10 meter distance, how much work was done on the couch?
200 joules
What two factors determine an object's kinetic energy?
Mass and speed or mass and velocity
What is the gravitational force exerted on an object called?
Weight
A possible explanation for something based on observation and prior knowledge is known as what?
A hypothesis
What type of force opposes the motion of rolling objects?
Rolling friction
A man drives 100 kilometers/hr, what is the value of this in meters per second?
27.7 m/s
The law of conservation of energy
What happens when unbalanced forces act on an object?
the object will move, change direction, or experience a change in acceleration