A wheel is revolving at 20.0 rad/s when a brake is engaged and the wheel is brought to a uniform stop in 15.92 revolutions.A.) How long time did it take to stop the wheel?B.) What was the deceleration?
Stop trying to learn how to ride over the internet. Do what they told you to do in your MSF training. There are to many morons with bad habits on here, they can get you killed. Now here is my 2 cents. The only time you use the clutch, is when shifting or coming to a stop. If you want to slow down for traffic, first try just backing off the throttle. Then use both brakes, to slow down as much as you need. Never and I do mean never ever, use just your front brake, unless your just coming to a stop. Use both brakes or just the rear brake to slow down. There is a reason why, it's okay to just have rear brakes on a bike. You don't need the front brakes at all. You can control a rear tire skid, you can't control a front tire skid, it's as simple as that. If your front tire locks up, kiss your a$$ goodbye. If your pulling away from a stop, then it's okay to shift from 1st to 2nd. However don't shift in a turn other wise. If you are in to high a gear going into a turn, pull the clutch in, down shift and hold the clutch in, till your out of the turn. Do not use your front brake only in a turn, use both or the rear only. One last thing, do everything slowly. Speed is a major cause of crashes, don't ride to fast, don't brake to fast.
?Find time to stop and deceleration of revolving wheel? A wheel is revolving at 20.0 rad/s when a brake is engaged and the wheel is brought to a uniform stop in 15.92 revolutions. A.) How long time did it take to stop the wheel? B.) What was the deceleration? What is wrong? The wheel spins 20 radians in one second. The wheel is brought to a uniform stop in 15.92 revolutions. There are 2π radians in 1 revolution. The wheel travels 15.92 rev * 2π radians/ rev 100 radians 100 radians ÷ 20radians/second 5 seconds Deceleration ΔV ÷ t 20 radians/s ÷ 5 s Deceleration 4 radians/s^2
Bottom line: If the motorcycle is stopped or nearly, de-clutch so not to stall the motor. If you are going to be stopped for a while, over a 1/4 minute, you *may* go into neutral. Otherwise, you should be in the correct gear for whatever speed you are at. De-clutch only momentary switch gears, about a quarter of a second. The front brake is your best friend. The front brake does the work, the rear brake just helps. I have 33,000 miles on my bike, about 5 or 6 sets of front brake pads . . . still on the original rear shoes.
About 80% of wobble issues, are caused by a tire problem. Mostly under inflated, or worn out tires. An unbalanced wheel, will cause your tire to ware out quickly. An unbalanced wheel will vibrate and feel wobbly all the time, not just when slowing down, or just using the back brake. When slowing down you transfer, more weight to the front tire. That would make a wobble of the front tire, more noticeable.
