Homework Help: physics

Posted by i love polka on Tuesday, November 4, 2008 at 9:22pm.

the sensor in the torso of a crash-test dummy records the magnitude and direction of the net force acting on the dummy. if the dummy is thrown forward with a force of 130.0 N while simultaneously being hit from side with a force of 4500.0 N, what force will the sensor report?

what force will the seat belt have to exert on the dummy to hold the dummy in the seat?

physics - Damon, Tuesday, November 4, 2008 at 9:34pm
sqrt (130^2 + 4500^2)

tan angle from straight ahead = 4500/130

seat belt equal and opposite
physics - Emanuela, Wednesday, November 30, 2011 at 8:32pm
4500/130= 34.6N
physics - Krys, Wednesday, January 18, 2012 at 10:34pm
sqrt (130^2 + 4500^2) = 4501.8 N

tan(angle) (4500.0/130.0)
physics - Kay Crum, Thursday, September 20, 2012 at 9:40am
you subtract 130 from 4500, and you get 4470 :)

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