Problem 7: A roller coaster cart has a mass of 500 kg. The car is released from rest at 54 m above the ground. The car encounters a loop of radius 18 m at ground level. A. Ignoring friction and drag, predict the speed of the cart at the bottom of the loop? B. Ignoring friction and drag, predict the speed of cart at the top of the loop? C. At the top of the loop, what is the direction and magnitude of the net force that acts on box? D. Going around the top of the loop, what is the direction and magnitude of the normal force that acts on the cart?

Q: 25. The Hōküle'a voyaging canoe is headed due north at a speed of 5 knots. The current is flowing at…

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Q: 11. Consider two vectors; A = 2.00i + 6.00j and B = 3.00i – 2.00j Calculate the magnitude and…

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Q: i4 = ? = ?

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Q: 5. In the given figure, what is the direction of the resultant R?

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.