
אמי"ת - קריית מלאכי
אמי"ת - קרית מלאכי
המכונה המופלאה 2017 תיכון אמית קרית מלאכי- צילום מקרוב





![]() הנבחרת | ![]() תמונה 1 |
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![]() תמונה 2 |
Our step list:
Stage1: Pressing the button bounces the toaster up and elevates the ball.
Explanation: elastic energy is stored in the spring. The moment the ball is pressed on, the spring is released, which in return enables converting elastic energy of the spring to the kinetic energy that is transmitted to the ball. The kinetic energy is transmitted to the gravity potential.
Stage 2: rolling the ball as a result of height differences
Explanation: when the ball went up, it accumulated potential relative energy. Since the route of the ball is inclined so the ball can roll on it, the gravity force pulls it down. In addition, it can be said that the potential ball energy is transmitted to the kinetic energy.
Stage 3: the rolling ball falls into a box and hits its wall.
Explanation: The ball that rolled in the previous stage falls into a wooden box and, as a result of the collision, there is a change of momentum to the box. Part of the ball momentum is transmitted to the box and, as a consequence, the box starts moving as well.
Stage 4: the motion of the box causes the wooden blocks to fall
Explanation: the wall of the box hit a wooden block to fall, which in return made additional blocks fall. The chain reaction was the result of momentum transmission from the box to the cube and from the cube to other cubes.
Stage 5: the last ball falls and closes the electricity circuit.
Explanation: the last cube in the chain which is wrapped in foil paper, fell and closed electricity circuit. The cube hit both separate edges of the electric wire. The cube wrapped in foil acts as electricity conductor between the two edges and enables the closure of the electricity circuit.
Stage 6: circuit closure made electric relay work
Explanation: As a result of the closure of the electric circuit, the electric relay which serves as an electricity provider, comes to action.
Stage 7: the electric relay activates hair dryer
Explanation: As a result of the activation of the electric relay, a hair dryer starts working since the closed relay enables the current to flow which activates the dryer.
Stage 8: The hair dryer throws the ball into the air and the ball stays there.
Explanation: as a result of activating the hair dryer, a pin-pong ball rises up and floats in the air.
Stage 9: the ball conceals laser which is directed towards light sensor LDR.
Explanation: the ball flies and conceals laser ray directed at light sensor. As a result of the laser ray being hidden, the resistance in the light sensor drops as well as in the micro inspector of the Arduino kind.
Stage 10: Micro inspector sends an order to the relay and the relay closes
Explanation: the micro inspector was programmed to send an order to the relay. As a result, the relay closed which enabled the current to flow.
Stage 11: A new laser turned on
Explanation: the relay enables the current to flow which in return turns a new laser on
Stage 12: Laser is directed against a variable of LDR kind
Explanation: the laser is directed against and the moment the laser is turned on, it illuminates a changing resistor which changes its resistance.
Stage 13: the change in the resistance is translated into the Servo engine opening
Explanation: the change in the resistance was translated into the micro inspector order . The micro inspector sent the engine an order to move.
Stage 14: The engine moved and opened the gate which enabled a ball to fall.
Explanation: When the engine is located in its initial place, it blocks a ball and prevents it from falling. When the engine moves, the gate opens and the ball starts falling. At this stage, electric energy is transmitted into kinetic energy of the engine.
Stage 15: The ball falls as a result of the gravity force influencing it
Now, when there is nothing to prevent the ball from falling, height energy is transmitted into kinetic energy and the ball starts rolling downwards.
Stage 16: the ball hits the button attached to the stretched spring
Explanation: the ball hit the button which released stretched spring
Stage 17: the spring is released and the carts are separated
Explanation: as a result of the spring release , withdrawal is induced and the carts move in opposite directions
Stage 18: hitting the glass full of water as a result of collision
Explanation: one of the carts hits a glass full of water. The glass falls and the water is transmitted into a funnel.
Stage 19: The flowing water diverts scales
Explanation: the water was spilled into the funnel, which is connected to pipes. The water flows into a glass which is situated on one of the scale bowls. Then the scales lose balance.
Stage 20: the moved bowl presses the button
Explanation: as a result of the scale movement, an electric button is pushed.
Stage 21: the button turns a loudspeaker on
Explanation: the button closure by the scales enables the electric current to flow to the loudspeaker and to turn it on.
Stage 22: the loudspeaker moves a touching wooden cube which enables a disk to roll
Explanation: as a result of shaking of membrane, a wooden cube is pushed . The wooden cube pushes the disk.
Stage 23: the disk rolls down the slope and pulls the thread
Explanation: the disk rolls down the slope and, as a result, the thread stretches.
Stage 24: the stretched thread turns a page in a book
The thread is attached to a page in a book. As a result of the stretch force, the page is turned.
Stage 25: the page makes a wooden block to fall
Explanation: the tilted page pushes a wooden block- the transmission in the monument from the page to the wooden block, so a chain reaction is induced which makes a few blocks fall.
Stage 26: the last block which falls hits the ball which rolls into a small basket.
Explanation: the last block hits the ball which falls on a determined route into a basket.
Stage 27: the basket falls down
Explanation: as a result of the fall of the ball into the basket, the mass of the set (basket+ball) rises which in return increases gravity force and makes the basket go down.
Stage 28: the basket hits a telephone which dials another phone
Explanation: the falling basket hits a phone located on the bottom and causes a dial
Stage 29: another phone rotates and knocks off a ball
Explanation: a telephone call enters the phone and makes it rotate
Stage 30: the rotation moves the ball rolling down an inclined slope
Explanation: the rotation makes the ball move and roll down an inclined slope
Stage 31: the ball falls down the route and hits a wooden block
Explanation: the ball which rolled down an inclined slope, hits a wooden block and, as a result of the monument transmission, a chain reaction is created
Stage 32: the last wooden block falls down and enables a weight to slide down
Explanation: the last wooden block stopped the weight which is tied with thread, from falling down. The moment it fell, the only force effecting the weight was gravity force and it pulled the weight downwards.
Stage 33: the weight pushed the button on the remote of a toy car
Explanation: as a result of the weight fall, the button on a wireless remote control of a toy car,was pushed.
Stage 34: the remote sent the car an order to move forward.
Explanation: by pressing the car button, the car started to move forward. The remote which serves as a transmitter, sends radio sign to the receiver located in the toy car. As soon as the receiver received the sign, the car started moving forward.
Stage 35: the car stretches the thread
Explanation: the thread attached to the rear part of the car, is stretched.
Stage 36: the stretched thread activates force on a glass
Explanation: the thread tied by its second end, to the glass full of salt solution, activates force on the glass, the glass moves and the water spills out.
Stage 37: the water spills into the drinking water and changes its density
Explanation: when the water spills into drinking water, the water density grows since the density of the salty water is larger. As a result of the mixture of the salty and the drinking water, new solution is created whose density is bigger.
Stage 38: the density change makes an egg in the glass to float
Explanation: when the density grows, the egg whose density has been previously bigger than of drinking water, starts floating since the density of the new solution is bigger now.
Stage 39: the floating egg releases the thread
Explanation: now that the egg is floating, the thread that has been trapped at the bottom of the glass, is released
Stage 40: the wooden block fell as a result of the decrease in the stretch power
Explanation: a block is tied to the second end of the thread . When the thread is stretched, it activates force on the weight which is inclined. When the second end of the thread gets released, its stretch power is annulled and, therefore, it doesn’t pull the block on its second end anymore. Consequently, the block falls down.
Stage 41: the block makes the disk roll, hit and finally, activate the ball
The moving disk transmits momentum to the block which, finally, makes the ball move towards an inclined slope
Stage 42: the ball rolls down the inclined slope
Explanation: since the ball is on the top if compared to the bottom , the potential energy is raised to kinetic energy. The ball accumulates both the kinetic energy and the momentum
Stage 43: the ball hits an electric switch which is at the bottom of the inclined slope
Explanation: as a result of the momentum that the ball accumulated, an electric switch was turned on.
Stage 44: the switch activates the engine
Explanation: the switch which is tied through the micro inspector to the electric engine, activates it. The switch enables the flow of the current towards the engine and to transmit electric energy to kinetic energy
Stage 45: the engine turns around and raises mechanic jack
Explanation: the engine turns around and makes a mechanic jack rise up. The kinetic energy of the engine is increased to the kinetic energy of a screw in the mechanic jack which makes the jack go up.
Stage 46: the plaster which is situated on the jack, sticks to a hand
The end
Why think we should win?
We think we deserved to win the competition because despite the difficulties did not give up and we worked very hard Htiasno and at the end we succeeded.
Please note also our school physics is a new trend and made us very competitive desire and motivation to be part of the trend.
We wish to emphasize that in addition to learning greatly enjoyed the orientation, teamwork and atmosphere
Our suggestion for next year's challenge
to wear a ring
The machines volume:
Depth- 3m
Length- 3m
Width- 1.96m
A video that inspired us:
https://www.youtube.com/watch?v=-SsSGDNvVa8