A block of mass $20$ kg is acted upon by a force $F=30N$ at an angle ${53}^0$ with the horizontal in downward direction as shown. The coefficient of friction between the block and the horizontal surface is $0.2$. The friction force acting on the block by the ground is $(g=10m/s^2)$

Q. A block of mass $20$ $kg$ is acted upon by a force $F=30$ $N$ at an angle ${53}^0$ with the horizontal in the downward direction, as shown in the figure. The coefficient of friction between the block and the horizontal surface is $0.2$. If the block remains stationary, the friction force acting on the block by the ground is $(g=10m/s^2)$

Q. A block of mass $20kg$ is acted upon by a force $F={30}^{}N$ at an angle ${53}^{\circ }$ with the horizontal in downword direction as shown. The coefficient of friction between the block and the horizontal surface is $0.2$. The friction forces acting on the block by the ground is
$(g=10m/s^2)$

Q. A block of mass $15\text{kg}$ is acted upon by a force $25\text{N}$ at an angle ${37}^{\circ }$ with the horizontal in a direction as shown in figure. The coefficient of static friction($\mu$) between the block and horizontal surface is $0.2$ . Find the frictional force acting on the block, so that it doesn't move. Take $(g=10{\text{m/s}}^2)$.

Q. A block of mass $15\text{kg}$ is acted upon by a force $25\text{N}$ at an angle ${37}^{\circ }$ with the horizontal in a direction as shown in figure. The coefficient of static friction($\mu$) between the block and horizontal surface is $0.2$ . Find the frictional force acting on the block, so that it doesn't move. Take $(g=10{\text{m/s}}^2)$.

Q. A block of mass $5kg$ is placed on horizontal surface and a pushing force $20N$ is acting on back as shown in figure. If coefficient of friction between block and surface is $0.2$, calculate frictional force an speed of block after $15s$.