What is object moving at constant velocity keeps moving at that velocity unless a net force acts on it - - object at rest stays at rest unless net force acts on it
300
every object in the universe exerts force on the other (take for granted)
What is gravity
400
equation
What is v=d/t
400
Time interval
What is amount of time that passed while the change in velocity has taken place
400
inertia
What is tendency of an object to resist any change in its motion
400
Force and motion activities in class
What is tug of war, car crash (mickey mouse), friction - sandpaper and paper and weight
400
measure mass in
What is grams and kilograms
500
Name and describe 3 kinds of speed
What is Instantaneous, constant, average
motion at any given instant, does not vary, total distance traveled divided by total time
500
relate to activities in class at least 2 and explain
What is marbles and hot wheels
500
opposes motion between surfaces - - give an example
What is friction - shoes/ turning a page
500
this always changes velocity of object and example