
A wooden block of weight is at rest on a horizontal surface. It is pulled by a force of acting at above the horizontal, as shown in the diagram, and remains at rest because of a horizontal frictional force,
Find the size of $F$ and the size of the normal contact force.



Important Questions on Forces in Two Dimensions
A winch is dragging a caravan along a horizontal road at constant velocity. The caravan has mass . The winch provides a force of and acts at angle above the horizontal, as shown in the diagram. There is friction of
Draw the force diagram for this situation.

A winch is dragging a caravan along a horizontal road at constant velocity. The caravan has mass The winch provides a force of and acts at angle above the horizontal, as shown in the diagram. There is friction of
Find the value of and size of the normal contact force.

A box of weight is being dragged at constant velocity along a horizontal road by a force, , acting at above the horizontal. It experiences friction of
Draw the force diagram for this situation.

A box of weight is being dragged at constant velocity along a horizontal road by a force, , acting at above the horizontal. It experiences friction of
Find and the normal contact force.


A wooden block is held in position by three horizontal forces, as shown in the diagram. One acts to the left with force One acts with force at an angle where , above the rightwards horizontal. One acts with force at an angle where , below the rightwards horizontal. Find and .


