Forces 1
What is a force?
A push or pull
What is an example of a push?
shove, punch, close, pinch, etc.
What is the ability to do work?
energy
What are the two main types of energy?
kinetic and potential
dragging, yanking, ripping, stretching, etc.
Am I using a push or pull when I brush my hair?
pull
What is stored energy?
potential energy
kinetic energy
What type of force acts on an object without changing its motion?
balanced force
What type of force changes the motion of an object?
False
False
True or False: a kick to a soccer ball demonstrates an unbalanced force
true
True or False: A rubber duck floating in still water demonstrates a balanced force
true
Which has more potential energy: a leaf in the middle or near the top of a tree?
Leaf near the top
When someone goes down a slide, where is the kinetic energy happening?
As the person slides down
Describe where a push and pull is being used when someone reads a book
pull: turning the pages
push: closing the book
Describe where the balanced and unbalanced force is: a box sitting on the floor that someone decides to pick up
balanced: box sitting on the floor
unbalanced: person picking up the box
When someone goes down a slide, what gives them potential energy?
climbing to the top of the slide
potential: drawing back on the bow string (stored energy)
kinetic: releasing the string, arrow flying through the air