Using Gravesand's apparatus
The law is used to add vectors to find the resultant of two or more vectors acting at a point.
Hopefully you've been given the parallelogram's area. If so you can use the following formula: Area of parallelogram = base length x altitude therefore altitude = area of parallelogram (divided by) base length
Square metre
No, a parallelogram is not a trapezoid.
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"If two vector quantities are represented by two adjacent sides or a parallelogram then the diagonal of parallelogram will be equal to the resultant of these two vectors."
The parallelogram law of vectors states that if two vectors are represented by the sides of a parallelogram, then the diagonal of the parallelogram passing through the point of intersection of the two vectors represents the resultant vector. This means that the sum of the two vectors is equivalent to the diagonal vector.
The parallelogram law of forces says that the sum of two forces is equivalent to the parallelogram formed by placing the first vector as starting from the origin and the second starting from the head of the first. This can be proven through trigonometric derivation of triangle angles and sides.
Yes, he used the law when he walked. His foot pushed backwards on the ground and the opposing reaction pushed him forward.
How it is related is given in the following link: http://blog.oureducation.in/to-verify-the-law-of-parallelogram-of-forces/
it is applicable to two forces only
it is applicable to two forces only
There are several parallelogram depending on the context. One such is that the sum of the squares on the four sides of a parallelogram equals the sum of squares on its diagonals.
The parallelogram law states that when two concurrent forces F1 &F2 acting on a body are represented by two adjacent sides of a parallelogram the diagonal passing through their point of concurrency represents the resultant force R in magnitude and direction
Using Gravesand's apparatus
The law is used to add vectors to find the resultant of two or more vectors acting at a point.