Variable-g Pendulum

A pendulum is constrained to oscillate in a plane tilted at an angle from the vertical. This effectively reduces the acceleration due to gravity because the restoring force is decreased. The Acceleration Sensor is fastened to the Rotary Motion Sensor, and directly measures the effective "g" for the pendulum.

Grade Level: College

Subject: Physics

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Featured Equipment

PASPORT Rotary Motion Sensor

The PASPORT Rotary Motion Sensor measures angle, angular velocity, angular acceleration and linear position, velocity, and acceleration.

Rotational Inertia Accessory

Add the Rotational Inertia Accessory to a PASCO Rotary Motion Sensor (PS-3220 or PS-2120) to study the rotational inertia of a disk, a steel ring, and point masses.

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Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.
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Source Collection: Lab #47