My Courseware Subject
Statics
Faculty
of
Mechanical Engineering
Fundamental Problem 7.1
If P = 200 N, determine the friction developed between the 50 kg crate and the ground. The coefficient of static friction between the crate and the ground is µs = 0.3.
Solution Q1
Figure Q1
Fundamental Problem 7.2
Determine the minimum force P to prevent the 30-kg rod AB from sliding. The contact surface at B is smooth, whereas the coefficient of static friction between the rod and the wall at A is µs = 0.2.
Solution Q2
Figure Q2
Fundamental Problem 7.3
Determine the maximum force P that can be applied without causing the two 50-kg crates to move. The coefficient of static friction between each crate and the ground is µs = 025.
Solution Q3
Figure Q3
Fundamental Problem 7.4
If the coefficient of static friction at contact point A and B is µs = 0.3, determine the maximum force P that can be applied without causing the 100kg spool to move.
Solution Q4
Figure Q4
Fundamental Problem 7.5
Determine the maximum force P that can be applied without causing movement of the 100-kg crate that has a center of gravity at G. the coefficient of static friction at the floor is µs = 0.4.
Solution Q5
Figure Q5
Fundamental Problem 7.6
Determine the minimum coefficient of static friction between the uniform 50-kg spool and the wall so that the spool does not slip.
Figure Q6
Solution Q6