Terms
The change of an object's position
What is motion?
Dad slammed on the brakes when a ball bounced out in front of our car. My sister's doll that had been on the back seat ended up on the floor.
What is Newton's 1st Law of Motion?
broom
What is a lever?
unit used to measure force
What are newtons?
a machine that is a bar that turn on a point
What is a lever?
how fast you drive ie. 35 mph.
What is speed?
"action and reaction"
What is Newton's 3rd Law of Motion?
What is an inclined plane?
What is inertia?
unit used to measure work
What is a joule?
This occurs whenever an object speeds up, slows down, or changes direction.
What is acceleration?
Dad lights some fireworks with a match. They shoot into the air and explode, displaying many colors.
What is Newton's 3rd Law of Motion?
blade of an axe
What is a wedge?
a fixed unmoving object or location
What is a reference point?
two inclined planes back to back
What is a wedge?
the speed of a moving object in a given direction
What is velocity?
Ruth likes to play softball and go bowling. She uses less force to throw a softball than she uses when she rolls a bowling ball.
What is Newton's 2nd Law of Motion?
What is a screw?
the ability to make something move
What is mechanical energy?
combines multiple fixed and moveable pulleys
What is a block and tackle?
What is friction?
You are riding a skateboard. You fly forward off the board when you hit the curb.
What is Newton's 1st Law of Motion?
used to open the skylight in Swiss Family Robinson
What is a wheel and axle?
keeps an object from moving indefinitely in a straight line
What is gravity?
the decrease in effort that is needed to move an object
What is mechanical advantage?