Correct answer
increases, since there is greater rolling resistance.
It increases because rolling resistance is greater. Pressure below that specified for the vehicle and load also promotes tyre heating and wear and can compromise safety. Check pressures when cold and adjust them to the manufacturer’s specifications; do not reduce pressure to save fuel or prevent a blowout.
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decreases and, in addition, helps prevent the possibility of a blowout.
does not change.
increases, since there is greater rolling resistance.
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