9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below shows a vehicle beginning to tip over. TESTOS A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote- control toy car. The students drove the car around circular paths of various known radii, at such a speed that it was just starting to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping speed' (the speed at which the toy car begins to tip over) of the car. The graph below shows the data collected by the students:

9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below shows a vehicle beginning to tip over. TESTOS A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote- control toy car. The students drove the car around circular paths of various known radii, at such a speed that it was just starting to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping speed' (the speed at which the toy car begins to tip over) of the car. The graph below shows the data collected by the students:

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

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.

Question

9. If a passenger vehicle travels in a circular path at too high a speed, it can tip over. The image below
shows a vehicle beginning to tip over.
A group of students investigated the speed at which a passenger vehicle will begin to tip over by using a remote-
control toy car.
The students drove the car around circular paths of various known radii, at such a speed that it was just starting
to tip for each radius. They timed the period of the cars motion and used the period to calculate the 'tipping
speed' (the speed at which the toy car begins to tip over) of the car.
The graph below shows the data collected by the students:
Speed at which toy car begins to tip over (m s'¹')
14
12
10
8
TESTO
0
2
3
Radius (m)
5
6
7
Page 11

The students hypothesised that the speed at which the remote-control toy car would begin to tip would be
directly proportional to the radius of its path.
(a) Using the graph on the previous page, state whether or not the results support the students' hypothesis.
Justify your answer.
(b) Some people think that using a remote-control toy car for this investigation is an appropriate choice. Other
people think that it is an inappropriate choice. Justify one of these opinions.

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