law 1
Newton's first law describes the motion of an object that has a net force of what acting on it?
0 N
objects that have different masses will have different what if the same amount of force is applied?
acceleration/ speed
what would the wall be doing if you were to push it?
it would push back
an object in motion stays in motion unless there is an ...
unbalenced force
what are newtons second law linked to?
force, mass, and acceleration
what two types of forces are there?
action forces and reaction forces
what is Newton's first law called?
Inertia
what happens when an unbalenced force acts on an object?
the object accelerates
when are action and reaction forces around?
always even when their is no motion
what year did the British scientist explain the relationship between force and motion?
1618´s
if a rollor coster is going up a hill you have two important forces, what are they?
gravity and the upward force
forces in pairs have equal size but, what type of direction
opposite
Which British scientist explained this relationship between force and motion with the three laws?
Sir Isaac Newton
if a plane speeds downward, the astronauts will lose contant with the plane and fall roward eath what is this condition called?
free fall
true or false: an object can have multiple forces acting on it at once.
true