Variation in your apparent weight is desirable when you ride a roller coaster; i

Question

Variation in your apparent weight is desirable when you ride a roller coaster; it makes the ride fun. However, too much variation over a short period of time can be painful. For this reason, the loops of real roller coasters are not simply circles like (Figure 1) . A typical loop is shown in(Figure 2) . The radius of the circle that matches the track at the top of the loop is much smaller than that of a matching circle at other places on the track.

Variation in your apparent weight is desirable when you ride a roller coaster; it makes the ride fun. However, too much variation over a short period of time can be painful. For this reason, the loops of real roller coasters are not simply circles like (Figure 1) . A typical loop is shown in(Figure 2) . The radius of the circle that matches the track at the top of the loop is much smaller than that of a matching circle at other places on the track. Part A Explain why this shape gives a more comfortable ride than a circular loop. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. decreases The radius of the loop decreases as the carts enter and exit the loop. The centripetal acceleration is maximum for larger radius loops and ___________ for smaller radius loops. minimum This means the centripetal acceleration ___________ from a ___________ at the entry to the loop to larger a __________ at the top of the loop and then __________ as the cars exit the loop. This prevents a sudden change of acceleration, which can be painful. increases portion of the trip This also limits the largest accelerations to the top of the loop, so that riders experience the maximum acceleration for ___________ . a whole trip smaller

My answers were: LARGER, SMALLER, INCREASES,MINIMUM,DECREASES,MAXIMUM,PORTION OF TRIP---THIS IS WRONG!!!

I ALSO TRIED SMALLER,LARGER, INCREASES,MINIMUM,DECREASES,MAXIMUM,PORTION OF TRIP

Explanation / Answer

Answers are :

smaller <------ as the Radius decreases the centripetal acceleration decreases

increases <------- due to smaller radius

portion of trip

larger <----- radius is maximum

minimum portion of trip

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