Motion
If a ball is rolling, it is said to be in...
Motion
What are the two types of forces?
Push or Pull
What is the net force for a balanced object?
How do we always find resultant force?
Add up the two forces.
A ball turning over and over shows…
The ball is rolling.
When an object is in motion, its forces are...
Unbalanced
Opening a drawer is what type of force?
A pull
What can the net force for an unbalanced object NOT be?
Zero
If a ball is pushed to the left with 14N and friction pushes to the right with 12N, what is the resultant force?
26N
What does distance measure?
How far something travels.
What happens to an object when its forces are the same on both sides and in opposite directions?
It does not move.
Putting your socks on is what type of force?
A pull
If a ball is pushed to the left with 68N, and friction pushes right with 15N, what is the net force?
53N to the left.
If a car drives to the left with 400N and friction pushes to the right with 200N, what is the resultant force?
600N
What does time measure?
How long something is in motion.
What is the definition of motion?
When something changes its position.
Headbutting something is what type of force?
A push
If a balanced car has gravity pulling it down at 59N, what is the reactionary force?
59N pushing up.
If a ball is rolled down a hill with 3N and friction pushes to the right with 1N, what is the resultant force?
4N
A car rolls 24 meters in 6 seconds, what is its speed?
4 meters per second
How do we describe something that is moving straight ahead at a slow pace?
The object is moving forward slowly.
What do we call the force that reacts in the opposite direction of gravity?
A reactionary force.
How do we find the net force for an object that has two forces working in the same direction?
We add the two forces.
If a man jumps up with 27N and gravity pulls down with 18N, what is the resultant force?
45N
If something takes less time to travel the same distance, it is…
Faster