ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge

Question 2681

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In Example 6.3, how many squares make up the L-shaped lamina?

Question 2682

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Where does the center of mass of a uniform triangular lamina lie?

At the midpoint of the longest side
At the circumcenter
At the centroid
At the orthocenter

Question 2683

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What is the significance of the median in finding the center of mass of a triangle?

It divides the triangle into equal areas
It balances the angles
The center of mass lies on each median due to symmetry
It represents the height

Question 2684

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In an equilateral triangle with masses at vertices, why is the center of mass not at the geometric center?

Because the triangle is not symmetric
Because the masses at the vertices are unequal
Because the coordinate system is skewed
Because gravity affects one mass more

Question 2685

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What is the y-coordinate of the center of mass for the three-particle system with masses 100 g, 150 g, and 200 g at O(0,0), A(0.5,0), and B(0.25, 0.25√3)?

√3/6 m
√3/9 m
√3/3 m
0.25 m

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