6 Questions
What is the formula for finding the horizontal component of a vector?
X = R cos θ
In a free-body diagram, should forces exerted by the object itself be included?
No
What does the principle of moments state?
The sum of clockwise moments equals anticlockwise moments
What is a couple in physics?
A pair of coplanar forces acting parallel to each other but in opposite directions
When is a body said to be in stable equilibrium?
When its center of mass is directly below the point of support
What is the unit for moment in the context of physics?
$N imes m$
Test your knowledge on vectors, resolving vectors, finding resultant vectors, free-body diagrams, coplanar forces in equilibrium, and forces on inclined planes in physics.
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