The difference between the two concepts of force projection and force component

The component force is a vector, which has the action point and action line in the direction of magnitude
The projection is scalar and has no action point or action line,

RELATED INFORMATIONS

1. What is the difference and connection between the projection of force on the rectangular coordinate axis and the component of force along the rectangular coordinate
2. In order to solve the problem conveniently, the direction of coordinate axis of projection balance equation of force should be determined according to () direction. A. horizontal B. vertical C. arbitrary D. parallel to most unknown forces
3. Are the projections of the same force on two parallel axes equal? Are the projections of the same force on two parallel axes equal? If the projections of two forces on the same coordinate axis are equal, are the two forces necessarily equal? Seeking reasons
4. The 180 n vertical downward force is divided into two components, one is equal to 240 n in the horizontal direction, and the size and direction of the other component are calculated
5. In this paper, the 180n vertical downward force is divided into two components, one is equal to 240n in the horizontal direction, and the size of the other component is calculated The 180n vertical downward force is decomposed into two components, one is equal to 240n in the horizontal direction, and the size and direction of the other component are calculated?
6. The 180 n vertical downward force is divided into two components, one is equal to 240 n in the horizontal direction, and the size and direction of the other component are calculated
7. The 180 n vertical downward force is divided into two components, one is equal to 240 n in the horizontal direction, and the size and direction of the other component are calculated
8. The 180 n vertical downward force is divided into two components, one is equal to 240 n in the horizontal direction, and the size and direction of the other component are calculated
9. The 180 n vertical downward force is divided into two components, one is equal to 240 n in the horizontal direction, and the size and direction of the other component are calculated
10. How to judge the positive and negative moment?
11. When a force is parallel to a coordinate axis, the projection of the force on that axis is equal to the magnitude of the force yes? wrong?
12. What is the difference between the component force of a force along two axes and the projection of the force on the axis? Do they have to be the same size?
13. Books are knowledge (), power (), wisdom (), life (). A steering wheel B source c ocean D wings Books are the ocean of knowledge, the wings of strength, the source of wisdom and the steering wheel of life
14. What is the formula of C = a × B in life? For example: distance = speed × time, please write it out, the more the better
15. If events a, B and C satisfy a + C = B + C, is a = B true? Give an example
16. Do you mean to keep 2 significant digits and 2 decimal places? For example
17. Where have you seen decimals in your life? For example
18. What do you mean in real life? Take an example
19. "People destroy natural resources at will", give an example of life
20. Please give a concrete example to illustrate the influence of the environment on people