Gravity is a force that acts to pull pairs of objects......
(together or apart)
What is together?
Of a skateboard and a box filled with books, the one that produces LESS friction when being pulled across the floor.
What is a skateboard?
Objects that are closer together have a _________ attraction between them. (greater or weaker)
What is greater?
an object at rest has what kind of forces acting upon it?
balanced
Rosario drove her car 224 km in 4 hours. ________ was her speed in km per hour.
What is 56km/hour?
________ can be an increase or decrease in speed or a change in direction.
What is acceleration?
Forces that do not add up to zero are__________
Unbalanced
The rate at which velocity is changing is called ___________________
What is acceleration?
Magnetism and gravity are this kind of force
Non contact