Forces/motion
Anything thrown or shot into the air is called what?
What is a projectile.
To measure ________ you need not only speed but also its direction
We measure the force of gravity on us is measure. when we determine our_________?
What is weight
According to Newton's 2nd law, _________depends on an objects mass and the net force acting on it.
What is acceleration.
An object that orbits around another is called a ____
What is relative?
The units for this are measured in m/s
What is speed?
The greater the _________ of an object the greater the inertia.
What is MASS.
Newtons 3rd law says every action had and equal and __________reaction.
What is opposite
Gravity depends on the mass of 2 objects and the _______ between them.
What is distance?
Forces can be added together only if they are acting on the _______object in the _____ direction.
What are same and same?
the units for this are m/s or ms2
What is acceceleration?
An object at rest has ______friction between it and the surface it is in contact with.
What is static friction
The law of ____________momentum says when 2 objects collide in the absence of outside forces the objects have the same momentum before and after they collide.
What is the law of conservation momentum?
Pushing a box across the floor encounters _______ friction with the ground.
What is sliding friction.
The distance in a straight line from the start and stop of something in motion.
What is displacement?
Acceleration due to _______ is 9.8 m/s/s
What is gravity?
This friction must be overcome for any object to move.
What is static?
The law of universal gravitation states that any two objects with mass will _______ each other.
What is attract?
When 2 objects act on an object at the same time, there will be a ______ ________.
What is a net force?
If net forces are _________ an object will move.
What is nonzero.
The distance an object travels per unit of time
What is speed?
A plane encounters fluid friction, but it is called
---------- ----------------.
What is air resistance?
The resistance of an object to anu change in motion is _________
What is inertia?
Moving through water objects are slowed because of _______ friction.
What is fluid friction?