The coefficient of kinetic friction between a 20 kg box and the floor is 0.40. How much work does a pulling force do on the box in pulling it 8.0 m across the floor at constant speed? The pulling force is directed 37^@ above the horizontal.

The coefficient of kinetic friction between a 20 kg box and the floor

1.	The coefficient of kinetic friction between a 20 kg box and the floor is 0.40. How much work does a pulling force do on the box in pulling it 8.0 m across the floor at constant speed? The pulling force is directed 37^@ above the horizontal.
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/point-thetafracpi2-343-308371" style="font-weight:bold;" target="_blank" title="Click to know more about 343">343</a> <a href="https://interviewquestions.tuteehub.com/tag/j-520843" style="font-weight:bold;" target="_blank" title="Click to know more about J">J</a><br/>482 J<br/>14.4 J<br/>None of these</p>Solution :482 J</body></html>