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Electricity set

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Electricity Bundle

Bluetooth/USB Module
BLT-202
Photo gate small

Voltage
logger sensor
NUL-201

 Force small

Current
logger sensor
NUL-202

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mA Current
logger sensor
NUL-248
Force plate small

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NUL-204

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Magnetic fields
logger sensor
NUL-214

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Charge
logger sensor
NUL-246

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Resistance
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NUL-249

Newton’s second law

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Newton’s second law

Measure cart velocity and calculate gravity within few steps.

Study the relationship between force, mass and acceleration.

Using the NeuLog motion sensor NUL-213 and the connectivity module BLT-202

Watch the video to see how NeuLog makes it simple

Find out where you can buy Neulog
Newton’s second law of motion was the first to define accurately the relationship between force, mass and acceleration. The acceleration is linearly proportional to the net applied force in the same direction. The net force is equal to the mass of the object multiplied by its acceleration:

F = m • a

According to Newton’s second law, the cart’s acceleration is equal to the force that gravity exerts on the mass hanger minus the friction force, divided by the total weight of the cart and the mass hanger (with the 50 g mass):
F = fgravity– ffriction


If you did not use the absolute value for the friction force and it is negative, add the gravity force (of the mass hanger) to the friction force (the F will stay the same).
M represents the mass of the cart (0.4 Kg with the slotted masses). m represents the mass hanger with the slotted mass (0.05 Kg).
mT = M + m
F = mT • aF
fgravity– ffriction = mT • aF
af = fgravity– ffriction / mT
fgravity = m • g
aF = ((m • g) – ffriction) /  mT

m = 0.05 Kg

M = 0.4 Kg

mT = 0.45 Kg

g = 9.8 m/s2

ffriction = 0.21N
mT = 0.45 Kg

aF calculated = ((0.05 Kg • 9.8 m/s2) –  0.21N) / 0.45 Kg  = 0.28 N / 0.45 Kg  = 0.62 m/s2


The calculated aF is very close to the measured aF
(0.62 m/s2 in our example)..

Find more experiment you can make with the Motion sensor

Battery BAT-202

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Battery module BAT-202

The Battery module supplies power to a sensor, or chain of sensors, operating in the Off-Line mode, and to sensors connected to an RF communication module. 

The Battery module can be recharged by connecting it to the PC’s USB socket via the USB module’s USB cable.

The Battery module has 2300mAh rechargeable battery. A 3 colors LED indicator: Red when charging the battery; Green when the charging is completed; Orange when current is consumed from the battery.
Battery module Guide

Our Products 2

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Biology    Physics    Chemistry    More Bundles    All sensors

Science. Simplified.
Teaching Science? We’ve Got You.

Turn theory into real data. With NeuLog sensors, students don’t just learn science — they see it, measure it, and experience it. No complicated setup. No tech headaches. Just plug in, experiment, and get real results.

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Heart Rate & Pulse logger sensor
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Wide Range Temperature logger sensor

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Infrared Thermometer logger sensor

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Respiration Monitor Belt
logger sensor
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Hand Dynamometer logger sensor

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GPS logger
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Dew Point logger
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Charge logger
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