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Physics Past Questions and Answers

Topic: Angles of contact law of definite proportion

Jamb Physics Questions - Angles of contact law of definite proportion

Question 6:
A 400 N box is being pushed across a level floor at a constant speed by a force P of 100 N at an angle of 30.0° to the horizontal, as shown in the the diagram below. What is the coefficient of kinetic friction between the box and the floor?
  • A 0.19
  • B 0.24
  • C 0.40
  • D 0.22
View Answer & Explanation