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Free fall and inclined plane: EXP100010

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Référence : EXP 100 010



Free fall and inclined plane: EXP100010 2/4

This multi-function bench allows you to create a mechanics standard. You can create 2 setups: free fall and inclined plane. The main components of this device are a V-shaped 1.50 m aluminium bench mounted on a stable base, and a release device (ball) with electromagnet. Both operations can be computerised thanks to an optical fork sensor system/chronometer for didactic processing of your experiments. These optical sensors can be positioned all along
the bench. The device is equipped with a system that can tilt the rail to the inclined position. A recipient is provided to dampen the fall and collect the ball.

DETERMINING THE GRAVITATIONAL CONSTANT

To determine the gravitational constant, the bench is used in free fall configuration. The first sensor is placed at the required height on the graduated rail. It will be placed preferably on a graduation multiple of 10 to facilitate measurement reading. The sensors are connected to the chronometer. The electromagnet holder is placed on the graduated rail above the first sensor, so that ball initial speed is zero. The chronometer software is started, thus allowing activating or deactivating the electromagnet. Switch off the power to release the ball. The software displays ball speed on the first sensor, ball speed on the second sensor, and the time elapsing between the two measurements, thus giving ball acceleration. If both sensors are placed at a distance of 1 m, the gravitational constant can be calculated and compared to the theoretical value. The acceleration value will be equal to the gravitational constant in free fall.

STUDYING THE INCLINED PLANE FALL


It is very easy to convert the free fall bench to the inclined plane bench by adding to it the
second bench and the coupling system. An angle measurement system is used to identify the angle
by which the rail is inclined: in analog version on the graduated disk or in digital version by connection to the acquisition box. Activate the electromagnet via the software to allow the ball to remain at the top of the bench, and deactivate it to make the ball fall onto the bench: the software will display the ball acceleration value.

SUBJECTS APPROACHED

»»Gravity potential energy
»»Kinetic energy
»»Relationship between drop height and fall time
»»Acceleration due to gravity
»»Static friction study
»»Determining the gravitational constant

NECESSARY EQUIPMENT

Reference Description quantity
PHM022410 Free fall and inclined plane set 1
PMM013961 Timing system 1

Computer is required




Free fall and inclined plane: EXP100010 3/4

Free fall and inclined plane: EXP100010 4/4

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  Spécialiste en Ingénierie Pédagogique en
Sciences Physiques, Génie Electrique &Télécoms .
Nous sommes concepteurs et fabricants.
DIDALAB
Z.A. de la clé Saint Pierre 5, rue du Groupe Manoukian
78990 ELANCOURT (France)
Phone : +33.1.30.66.08.88 Mail:didalab@didalab.fr
Electrical Engineering

PHYSICS

Energy & Systems