Balanced and Unbalanced Forces
Forces that cancel each other out.
What are balanced forces?
A change in position.
What is motion?
Places on a magnet where magnetic forces are strongest.
What are (north and south) poles?
Material objects are made up of this.
What is mass?
Forces that cause an object to move.
What are unbalanced forces?
This force pulls objects downward.
What is gravity?
These kind of charges repel.
What are like charges?
This is the reason objects at rest stay at rest and objects in motion (with no outside forces) stay in motion.
What is intertia?
This is the definition of a force.
What is a push or a pull?
This is the amount of matter in an object
What is mass?
These forces push or pull things without touching them.
What are electrical forces?
A 20lb dog and a 35lb dog are both pulling on a toy rope. The 35lb dog wins the battle. Why?
The 35lb dog can apply more force because it has more mass.
Determines if an object stops or starts moving.
What is a force?
This is an example of friction.
Answers vary.
These kind of charges can be positive and negative
What are electrical charges?
This is the reason your bike will eventually stop moving if you stop pedaling it.
What is friction slows it down until it stops?
The side that determines if and where an object moves.
What is whichever side applies the most force?
These are the 3 things that can affect the motion of an object.
What is the strength of the force, direction of the force, and the mass of the object?
Rubbing a balloon against dry hair can create this charge.
What is static electricity?
This is the reason a soccer ball will reach the bottom of a hill before a ping pong ball.
What is the mass of the soccer ball is greater than the mass of the ping pong ball?