Calculate the parallel component of the weight of the object on the inclined plane below.
1 answer:
Answer:
4. Wx = 42.47[N]
Explanation:
In order to solve this problem, we must first make a free body diagram, of the forces acting on the body in the inclined plane.
As we can see in the attached image, the component of the weight parallel to the surface of the inclined plane can be obtained by the sine of the angle.
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Answer:
Object should be placed at a distance, u = 7.8 cm
Given:
focal length of convex lens, F = 16.5 cm
magnification, m = 1.90
Solution:
Magnification of lens, m = -
where
u = object distance
v = image distance
Now,
1.90 =
v = - 1.90u
To calculate the object distance, u by lens maker formula given by:
u = 7.8 cm
Object should be placed at a distance of 7.8 cm on the axis of the lens to get virtual and enlarged image.