What is another word for the 1st law?
inertia
Whats an example of the second law?
pushing a car or truck
force always act in equal but?
opposite pairs
Static and _____
Friction
Where is gravity?
Earth
What is inertia made of?
Mass
What factors affect the law?
mass
example of the 3rd law?
when you jump
Do we need friction
yes
What causes gravity?
gravity comes from all its mass
every object will?
Remain at rest
what equation is is the 2nd law?
F=ma
For every ____, there is an opposite reaction.
action
What causes friction?
interactions between tiny bumps on surfaces.
Can gravity be created?
yes
what has more mass, a brick or a rubber ball?
a brick
Force equals?
Force times acceleration
True or False? Is kicking a ball a push?
T
T or F, does friction hold your shoe to the ground?
T
What has the strongest mass?
Jupiter
if a body is at rest or moving at a constant speed in a straight line it will ________ _________?
remain at rest or keep moving
What affecting motion
mass and speed
T or F, Is Gravity a push or pull?
F
Where do we use friction?
car brakes
Can you create gravity without mass?
No