Scientific Method
An____________is information that you obtain through your senses.
What is an Observation?
The SI unit for Volume.
A system of objects that are not moving with respect to one another.
What is a frame of reference?
_______is the ability to do work, were as _______is a transfer of energy.
What is Energy and work?
A _______ can cause a resting object to move, or it can accelerate a moving object by changing the object’s speed or direction.
What is a Force?
________________is a well-tested explanation for a set of observations or experimental results
What is a scientific theory ?
The numerical value for milli.
What is 0.001?
A quantity that has magnitude and direction.
What is a Vector?
The striking of a match is a good example of __________________
What is an energy conversion?
When an unbalanced force acts on an object, the object______________.
What is Accelerate?
An______________ describes an observed pattern in nature without attempting to explain it.
What is a scientific law?
_______________is a ratio of equivalent measurements used to convert a quantity expressed in one unit to another unit.
What is a conversion Factor?
The ratio of the distance an object moves to amount of time the object moves.
What is Speed?
What is conversion formula for mechanical energy?
Fluid friction acting on an object moving through the air is known as_______________.
What is air resistance?
__________________causes a change.
What is the manipulated Variable?
__________________________are all the digits that are known in a measurement, plus the last digit that is estimated.
What are significant figures?
The formula for average speed.
What is Average speed=total distance / total time?
A 50.0-kilogram cheetah has a kinetic energy of 18,000 J. How fast is the cheetah running?
What is 27m/s?
The formula for Newtons 2nd law of motion.
What is Acceleration = net force / mass?
___________________is an experiment in which only one variable, the manipulated variable, is deliberately changed at a time.
What is a controlled experiment?
convert 8.848 kilometers back into meters.
What is 8848m?
A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. What is its acceleration
What is -0.5 m/s^2?
. A 10-kg rock is dropped and hits the ground below at a speed of 60 m/s. Calculate the gravitational potential energy of the rock before it was dropped. You can ignore the effects of friction.
What is 18000J?
A boy pushes forward a cart of groceries with a total mass of 40.0 kg. What is the acceleration of the cart if the net force on the cart is 60.0 N?
What is 1.50 m/s^2?