A block of weight W is pulled along a horizontal surface at constant speed v by

Question

A block of weight W is pulled along a horizontal surface at constant speed v by a force F, which acts at an angle of beta with the horizontal, as shown below. The normal force exerted on the block by the surface has the magnitude_

a) W-Fcosbeta

b) W-Fsinbeta

c) W

d) W+Fcosbeta

e) W+Fsinbeta

Yes, I completed all the suggested textbox problems No, I did not complete all the suggested textbook problems. An object travels from right to left. If the object is slowing down, the applied force vector is best represented by a vector pointing up. a vector pointing to the right. a vector pointing down. a vector pointing to the left a vector of magnitude zero. A block of weight W is pulled along a horizontal surface at constant speed v by a force F, which acts at an angle of theta with the horizontal, as shown below. The normal force exerted on the block by the surface has magnitude W - F cos0 W - F sin0

Explanation / Answer

b) W-Fsinbeta

Vertical component of F= Fsinbeta

Net vertical force=W-Fsinbeta

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