Show:
Motion
Forces and Motion
Work and Energy
Simple Machine
questions
100
What is a position?
Is the location of a object.
100
What is a force?
is any push or pull from one object to another.
100
wHAT IS A WORK?
IS THE MEASURMENT OF ENERGY USED to perform a task.
100
What is a simple machine?
changes the direction a machine that takes one force .
100
What is velocity?
is the measurement that combines both the speed and direction.
200
What is Motion?
Is a change in position over time.
200
What is friction?
is a force that opposes the motion of one object moving past another.
200
What is energy?
is the ability to perform work or to change an object.
200
What is effort?
The force you apply to a machine.
200
What is acceleration?
is the change in velocity over time for an object.
300
What is a Frame of Reference?
Is a group of object from which you can measure a position or the motion.
300
What is balanced forces?
When forces act on an object without changing its motion.
300
Potential energy?
is energy that is stored in the position or structure of an object.
300
What is load?
the object moved by the output.
300
What is momentum?
is the product of mass multiplied by velocity.
400
What is speed?
is how fast an objects position changes over time.
400
What is unbalanced force?
A force that causes an object change its motion.
400
What is kinetic energy?
is the energy of a moving object.
400
WHAT IS A FULCRUM?
a lever is a bar that rotates around a pivot point
500
What is a velocity?
Is the measurment that combines both the speed and direction of a moving object.
500
What is a action force?
Commonly the push of the first object on the second.
500
What is a law of conservation of energy?
this theory has been observed so many times .
500
What is a compound machine?
When two or more simple machines are combine.