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# NEWTON'S LAWS AND MOUSETRAP CAR

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by

## Sabrina Jaz

on 29 January 2016

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#### Transcript of NEWTON'S LAWS AND MOUSETRAP CAR

NEWTON'S LAWS & MOUSETRAP CAR
NEWTON'S
first
LAW
HYPOTHESIS:
- According to Newton's first law we think that the car will decrease in speed when it goes on the unbalanced surface (carpet) because of the force
Newton's
first
law (continued)
PROCEDURE:
1. Went to media center hallway
2. Wound the back axle backwards
3. Released the car on tile
4. The car reached the carpet
5. The car slowed down
6. The car came to a stop
NEWTON'S
FIRST
LAW (CONTINUED)
DATA:
NEWTON'S
FIRST
LAW (CONTINUED)
RESULTS:
NEWTON'S
FIRST
LAW (CONTINUED)
CONCLUSION:
Our hypothesis was supported because the car went slower when it reached the carpet from the tile.
The experiment proves Newton's first law because the car was in motion with the same speed and direction, until it was acted upon by an unbalanced force (carpet), which made the car slow down.
NEWTON'S
SECOND
LAW
HYPOTHESIS:
- We think that the car will go slower with the phone on it because the acceleration depends on the mass. We think the cars mass will increase with adding a phone to it.
NEWTON'S
SECOND
LAW (CONTINUED)
PROCEDURE:
1. Go to the small gym
2. Wound the back axle backwards
3. Put phone on the car
4. Released the car on gym floor
5. Car went slower than usual
NEWTON'S
SECOND

LAW (CONTINUED)
DATA:
NEWTON'S
SECOND
LAW (CONTINUED)
RESULTS:
Our hypothesis was supported because the he car went slower when weight was added to it.
NEWTON'S
SECOND
LAW (CONTINUED)
CONCLUSION:
The experiment proves Newton's second law because when we added more mass to the car the car went slower.
Independent: mass of object
Dependent: acceleration
Independent: unbalanced force
Dependent: motion
NEWTON'S
THIRD
LAW
HYPOTHESIS:
- According to Newton's third law we think that if we set the car with a force going backward then there will be a foreword force that is equal to the backward force.
Independent: resistance
Dependent: speed
NEWTON'S
THIRD
LAW (CONTINUED)
Procedure:
1. Wound the axle back
2. Lever pulls the string foreword
3. The car has a balanced force
NEWTON'S
THIRD
LAW (CONTINUED)
DATA:
NEWTON'S
THIRD
LAW (CONTINUED)
RESULTS:
Our hypothesis was not supported because the car had opposite but not equal forces.
NEWTON'S
THIRD
LAW (CONTINUED)
CONCLUSION:
The experiment does not prove Newton's third law because it shows that the paired forces are opposite but not equal to each other.
by: Sabrina and Arnel
Normal speed on tile
Speed decreasing because of unbalanced force (carpet)
(CONTINUED)
(CONTINUED)
(CONTINUED)
NEWTON'S
FIRST
LAW
Newton's first law states that an object in motion stays in motion with the same speed unless acted upon by an unbalanced force.
NEWTON'S
SECOND
LAW
Newton's second law states that the greater the mass of the object, the greater the amount of force is needed.
Before phone was added (normal speed)