i need help with these

Science
Tutor: None Selected Time limit: 1 Day

Friction acts in a direction---------to the direction of the object's motion.

When the irregularities of one surface come into contact with those of another surface,---------occurs.

The applied force required to push something across a surface-------as friction increases

Apr 7th, 2015

1.opposite....................................

2.static force...............................

3.reduces.........................

Apr 7th, 2015

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