The essence of Newton's Second Law is the famous equation F=ma.
The electrical solenoid throws one ball and drops the other. Since gravity works equally on both balls, they will strike the floor at the same time.
This is a good choice of apparatus to use when planning to photograph falling bodies with a stroboscope.
Comes with cord and in-line switch and a clamping rod. Tripod and post not included.
Dimensions are 17cm x 12cm x 5cm.
Wabash #GS 202.
Forensics Lab Supply Number 3178202.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.
Purchase orders may be sent by email to Staff @ grauhall.com or by FAX to 916 379 9639 or by mail to P. O. Box 279592, Sacramento, CA 95827-9592.
All products shipped from Wabash, Indiana.