Vocab Ch 4
Two or more forces that are equal and cancel each other out
What is balanced force?
The ability to do work
What is energy?
A ball weighing 10N is 20m above ground.
What is 200 J
An object in motion stays in motion an object at rest stays at rest unless acted upon by an unbalanced force.
What is Newton's First law?
Form of potential energy stored in chemical bonds that link atoms
What is chemical energy?
An objects tendency to resist changing its motion
What is inertia?
When a force acts on an object and changes its position
What is work?
A flag weighing 5 N is 10 m above ground
What is 50J
Acceleration = force divided by mass
What is Newton's Second Law?
Energy of molecules in motion (HEAT)
What is thermal energy?
When the motion of an object changes
What is acceleration?
A unit of measurement for work.
What is joules?
What is 25?
True/False: The greater the mass of an object, the more force it will take to accelerate.
What is true?
Energy that a system has based on motion and position
What is mechanical energy?
Two or more forces that are not equal and do not cancel each other out
What is unbalanced force?
Stored Energy
What is potential?
A ball weighing 15 N is 5m above ground.
What is 75 J?
A book with a mass of 5kg is pushed on a table, if the force acting on the book is 10N, what is the books acceleration?
What is 2 m/s^2
Form of kinetic energy that involves the transfer of charge through an electrical conductor
What is electrical energy?
Amount of matter in an object
Tools that scientists use to represent ideas that provide information
What is models?
A cat weighing 17N is 2m above ground.
What is 34 J?
A swing is being pushed with a net force of 120N, if it has a mass of 20 kg, what is the acceleration?
What is 6 m/s^2
Stored energy found within materials that bounce back to a starting position when they are stretched.
What is elastic energy?