Looping

Classical Mechanics Level 3

A sphere with mass m m is abandoned (initial velocity is 0) from point A A , sliding along A B C D E F ABCDEF .

B C D E BCDE is a circle with radius R R .

The acceleration of gravity is equal to g g .

Knowing that h = 3 R h = 3R , calculate the normal reaction at point C C .

Ignore friction.

2 rmg 2\text{ rmg} 4 rmg 4\text{ rmg} 2 mg 2\text{ mg} 4 mg 4\text{ mg}

Joao Miguel Coelho by Joao Miguel Coelho , 24, Portugal

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