A 0.40 kg block rests on a desk. The coefficient of static friction is 0.20. You push the side of the block but do not have a spring scale to measure the force you use. The block does not move. Which statement is true about the force of static friction? O tis no smaller than 0.78 N. O t is 0.78 N. O It is no larger than 0.78 N. O t is 0.08 N.
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- What is the answer7) Two equal and opposite stationary charges are a small distance apart. A positive charge +q is placed above these charges, equidistant from both of them, as shown in the figure at right. Which diagram below best gives the direction of the resultant net force exerted on the charge +q? D)what's the answer, asap