Coefficient of limiting friction and its determination - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 2018

In the diagram given the hanging mass m2 is adjusted until m1 is on the verge of sliding. The coefficient of static

A. \(\frac{m_1}{m_2}\)
B. \(\frac{m_1g}{m_2}\)
C. \(\frac{m_2}{m_1}\)
D. \(\frac{m_2g}{m_1}\)

Question 17:

• JAMB 2019

A boy pushes a 500kg box along a floor with a force of 2000N. If the velocity of the box is uniform, the co-efficient of friction between the box and the floor is

A. 1
B. 0.8
C. 0.65
D. 0.4