An object of mass m held against a vertical wall by applying horizontal force F as shown in the figure. The minimum value of the force F is [IIT JEE 1994]
A. Less than mg
B. Equal to mg
C. Greater than mg
D. Cannot determine
Answer:C
An object of mass m held against a vertical wall by applying horizontal force F as shown in the figure. The minimum value of the force F is [IIT JEE 1994]
A. Less than mg B. Equal to mg C. Greater than mg D. Cannot determine