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Newton's Toy Box

Acceleration The rate at which an object's velocity changes.
Force A push or pull that acts on an object, causing it to move, change speed or direction, or stop.
Velocity Rate at which an object moves in a certain direction.
Inertia Tendency of a still or moving object to stay at rest or to continue moving in the same direction at the same speed.
Mass Amount of matter in an object.
Gravity Force that pulls objects toward the center of the earth.
Weight Measure of the force of gravity acting on an object.
A person drops a bowling ball and a baseball from the top of the play structure. Which ball will hit the ground first? They hit the ground at the same time.
Is gravity a contact or non-contact force? Non-contact force
If you push a steel ball (25g) and a wooden ball (2.5g) with the same force, which ball will accelerate faster? The wooden ball. It has less mass.
What is the main force that stops a ball rolling across carpet? Friction
Which law explains that it will take a lot more force to move an elephant than it will to move a squirrel? Newton's second law of motion
Kinetic energy Energy that an object has as a result of its motion.
Potential energy Energy that is stored.
Momentum Property of matter due to its mass and velocity.
Friction Force that opposes motion or resistance caused when two surfaces touch or rub together.
Distance How far an object is from one point to another.
Energy Ability to do work or cause change.
Speed Rate at which the position of an object changes.
Action-reaction forces are equal in strength and _____ in direction. Opposite
As a car rolls down a ramp, it loses potential energy and gains _____ energy. Kinectic
True or false? When a car rolls down a hill its speed increases. True
In a spring jumper, what provides the action force? Spring
In a spring jumper, what provides the reaction force? Table
Air resistance The force exerted by air against an object moving through it and acts in the opposite direction of the object's motion
Parabola The downward curve that is created by gravity when an object is thrown horizontally
All objects appear to 'float' in orbit because of _____. Free fall
Microgravity A term used to describe the almost weightless condition in space.
A flat piece of paper and a crumpled piece of the same paper are dropped from a height of 4 feet. Which one will fall faster? Crumpled sheet of paper
Why would a crumpled sheet of paper fall faster than a flat sheet of paper if both pieces of paper are the same size? The crumpled sheet of paper has less surface area. Therefore, the crumpled sheet has less drag/air resistance.
Created by: ianadoyle