16. A block of mass m is kept over another block ofmass 2m and the system rests on a smoothhorizontal surface. The coefficient of friction betweenthe blocks is 0.50. Find the work done by the forceof friction on the smaller block by the bigger blockduring a displacement d of the system, when a forcemg is applied to the lower block in terms of m

Open in App

Solution

Suggest Corrections

Similar questions

Q. A block of mass m is kept over another block of mass 2m and the system rests on a smooth horizontal surface. The coefficient of friction between the blocks is 0.50. Find the work done by the force of friction on the smaller block by the bigger block during a displacement d the system, when a force mg is applied to the lower block.

Q. A block of mass

m

is kept over another block of mass

M

and the system rests on a horizontal surface. A constant horizontal force

F

acting on the lower block produces an acceleration

\frac{F}{2 (m + M)}

in the system, the two blocks always move together. (a) Find the coefficient of kinetic friction between the bigger block and the horizontal surface. (b) Find the frictional force acting on the smaller block. (c) Find the work done by the force of friction on the smaller block by the bigger block during a displacement d of the system.

Q. A block of mass m is kept over another block of mass M and the system rests on a horizontal surface (figure 8-E1). A constant horizontal force F acting on the lower block produces an acceleration

\frac{F}{2 (m + M)}

in the system, and the two blocks always move together. (a) Find the coefficient of kinetic friction between the bigger block and the horizontal surface. (b) Find the frictional force acting on the smaller block. (c) Find the work done by the force of friction on the smaller block by the bigger block during a displacement d of the system.
Figure

Q. A block of mass

m_{1}

is kept over another block of mass

m_{2}

and the system rests on a horizontal surface (as shown in figure) . A constant horizontal force 2F acting on the block produces an acceleration

\frac{F}{m_{1} + m_{2}}

in the system, the two blocks always move together .(a) Find the coefficient of kinetic friction between the bigger block and the horizontal surface .(b) Find the frictional force acting on the smaller block . (c) Find the work done by the force of friction on the smaller block by the bigger block during a displacement x of the system.

A block of mass m is kept over another block of mass M and the system rests on a horizontal surface (figure 8-E1). A constant horizontal force F acting on the lower block produces an acceleration $\frac{F}{2 (m + M)}$ in the system, the two blocks always move together. (a) Find the coefficient of kinetic friction between the bigger block and the horizontal surface. (b) Find the frictional force acting on the force of friction on the smaller block by the bigger block during a displacement d of the system.

Join BYJU'S Learning Program