Friday, March 28, 2014

Newtons Laws

1. What are the relationships between forces and motion? 
 Forces are when something makes an object move. A force is when an object is being changed from slow to fast or stop and go. Change in distance, motion and acceleration. Changes in velocity are from the change in the mass. 
Motion is when the object moves from one place to another after reacting from a force. 

        

2. What are the variables that affect motion and force? 
Speed and acceleration and the force (gravity is affected by air which is friction). force slows motion when an object is moving across such as a car moving across the road the car is in contact with the ground and the ground has friction towards the car. The road is pushing up well the car pushes down. F=MA 
   
3. How does Newton’s three laws describe the motion of a moving 
object? 

Because each of the laws describe a new kind of motion and force and how they react to one another. The first law describes how an object at rest will stay at rest with no motion and an object in motion will stay in motion. The second describes how much a force is applied to an object in motion. The third describes how when a action force is created than an a reaction force is reacted. 




4. How does gravity impact objects?
Gravity pulls the object down. Say a marble is on the table and it falls it will  fall to the ground not float up. Because gravity pulls down. if there was not gravity like the space than we would be floating everywhere. 
   

Friday, March 21, 2014

What I have learned and what I have not learned about Newtons Law

I have learned how to use the equation F=ma
and how to find acceleration and mass. I also can the Velocity some of the time.
I can do both  the first and second laws. The third is harder to understand. I have also learned about how to use force and motion and how they are used toghther to find the gravtational pull.

Friday, March 14, 2014

Proving Newtons Second Law

Car Weight: 101.1

Question: 

What is the relationship between Force, Mass, and Acceleration? 

Materials Used:

Plastic Car
Weights
2 spring scales 
Wooden Track 
Scale 

Hypothesis:

Will  the force , mass, and acceleration be close in results. 
The higher the angle the heavier the weights.  

Procedure:


1. Got Supplies
2. I then put the car on a wooden ramp (flat)
3. pulled the car across the flat ramp 
4. Then I repeated this 5 times with different angles of the ramp and different weights
First was 100 g 
Then 200 g
Then 50 g
Then 500 g 
Then 1000 g
Lastly 200 g again
5. i then graphed the data of the degrees of the ramp, the weight of the car and acceleration, and force of the pull from the spring scale. 
6. Then after the experiment i created two graphs showing 
acceleration vs. angel and Acceleration vs. Mass 




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