Sunday

April 20, 2014

April 20, 2014

Posted by **Jennifer** on Thursday, August 16, 2012 at 2:07am.

- physic -
**drwls**, Thursday, August 16, 2012 at 3:40amThe friction force Ff = 60 lb equals the pulling force, since it is not accelerating.

The coefficient of kinetic friction is

(pulling force)/(weight) = 60lb/750lb

= 0.080 (a dimensionless number)

**Related Questions**

physics - The coefficients of friction between a 250 lb football sled and the ...

physics college - A dog sled is pulled at an angle of 30 degrees with the ...

PHYSICS - a child is pulled on a sled across a snow-covered yard. the combined ...

physics - 1) Two people sit on a park bench 6.0 ft long, weighing 160 lb. A boy ...

physics - Find the work done when a 20 kg sled is pulled across level ground by ...

physics - a 12 kg sled is pulled horizontally with a force of 82 N. the ...

trig - find the exact values of the six trig functions of the angle. -750 sin(-...

Physics - A sled is pulled with a horizontal force of 17 N along a level trail, ...

physics - A loaded sled is pulled by means of a rope that makes an angle of 45.0...

Physics - Suppose a 47-N sled is resting on packed snow. The coefficient of ...