study guide flash cards
if two objects have different masses, which object is easier to accelerate? which law supports your answer?
the 2nd object. newtons 2nd law
the tendency of an object to resist change in its motion is known as
interia
define displacement
is the difference and direction an object is starting point to stopping point
what two things effect the momentum of a moving object?
mass and velocity
forces that are equal equal in size but opposite direction and cause no change in motion are _____ forces
balanced
if a bicyclist travels 30 km kilometers into ours her average speed is
15m/s
A person traveling in a car that shop so it keeps moving forward due to ____ which law is this?
inertia and the first law
if the action force of a bat striking a ball accelerates the ball in One Direction the reaction force accelerates the bat in the ___ direction
opposite
when a swimmer pushes the water back the water pushes the swimmer forward what is the reaction force to in this is situation?
The water pushes the swimmer forward (opposite)
speed equals distance divided by
Time
The statement for every action there’s an equal but opposite reaction is a statement of newtons __ law?
3rd law
if you push a skateboard that has a massive 60 kg with the force of 6 N ,what force will the skateboard pushback on you according to newtons third law of motion
6 newtons
in a speed time graph a diagonal straight line moving shows that acceleration
is positive
if a family took a vacation and was traveling 60 mph how far would they have traveled after three hours
180 miles
what is the key Factor in determining if it object is in motion
change in position
