6. The diagrams on the left represent forces acting on an object. The diagrams on the right represent resultant forces. Drag the diagrams on the left onto their corresponding resultant force.
4th Year
EVALUATION
Statics
Inma Sevila
Statics
All Teaching Units Print Home

9. Choose the correct answer for the components and module of the force represented in the diagram.

components (3,-4); module 5 N;
 components (-4,3); module 25 N
 components (-4,3); module 5 N
 components (3,4); module 5 N.

10. The correct unit of force is:

Jules (J)
 Newtons (Nw)
 Newtons (N)
1. A force acting on an object is represented by an arrow with its origin on the object:
True
False
2. An object can only interact with another object
True
 False
3. The action of a set of forces on the same object produces the same effect as a single force that is usually known as resultant force.
True
False
4. The resultant force of two forces of components (2,0) y (-3,1) acting on an object is (3,0)
True
 False
5. Forces have four components
True
 False
7 If we hang a bag full of tennis balls that weighs 200N from a spring, the elastic force that the spring must exert to hold up the bag must be at least 200N in the opposite direction.
True
False
8. Forces, like mass or time, only need a number to be completely defined
True
False

Correct answers

Forces
The module of a force
The orientation and direction of forces
Components of a force
The effect of various forces on a body
The resultant of a system of forces
A counterbalance
ACTIVITIES
EVALUATION