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Geography, 06.05.2021 14:00 jholland03
Sin(180 - O) sina
Example
1. Two forces are acting at point O. one is 10N east and the other is 15N
east of south. Calculate the magnitude and direction of the resultant
2. Two forces 3N and 4N act on a body. If the angle between the forces is
calculate the magnitude of the resultant force on the body.
3. A particle has two forces: 10N due east and 12N in the directionN300E
is the resultant force?
4. Two forces act on point Z. one is 10N east; the other is 30N 30° south
Determine the magnitude and direction of the resultant.
Resolution of forces (or vector)
Resolution of forces is the reverse process of the addition of vector. In this
single force is converted into component vectors. For practical purposes a
is resolved along two directions at right angles. The process of expressing
vector into its components is known as resolution of the vector.
mple
A force of magnitude 15N acts at angle of 650 to the horizontal. Find th
horizontal and vertical components of the force.
A velocity of particle moving at an angle of 120° to the horizontal is 20
Determine the horizontal and vertical components of the velocity.
The velocity of a particle moving in the direction S600E is 40m/s. Find
horizontal and vertical components of the velocity.
Express the following vectors into horizontal and vertical components:
i) Fi= (20N,2409)
ii
F2= (12N, 3300)​
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Sin(180 - O) sina
Example
1. Two forces are acting at point O. one is 10N east and the other...
1. Two forces are acting at point O. one is 10N east and the other...
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