PIRA 1G10.30 Force, Mass and Acceleration: Mass on a Scale
Photo Shows the Demonstration Apparatus Used by the University
of Texas at Austin
Instructions / Notes:
- A simple demonstration consisting of a spring which stretches, a 1 kg mass, a fisherman's spring scale, a 2 kg mass and Newton spring scale.
- Hang a 1 kg mass on the spring to show normal tension FW when the mass is stationary.
- If you attempt to accelerate the 1 kg mass vertically - by pulling upwards on the spring - the length of the spring momentarily stretches.
- Alternatively, use the spring as a prop and manually stretch the mass/spring combo to show what would happen when the mass is accelerated upward.
- Two types of spring scales are provided for use with the larger 2 kg mass.
Video Shows the Demonstration Apparatus Used by the University
of Texas at Austin
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