The Student Room Group

Help in physics mechanics

The pull exerted by an engine is 1/80 of the weight of the whole train and the maximum brake force which can be exerted is 1/30 of the weight of the train. Find the time in which the train travels from rest up a slope of 1 in 240 and 4800m along, if the brakes are applied when the engine is switched off.

Reply 1

What have you tried so far?

Quick Reply

How The Student Room is moderated

To keep The Student Room safe for everyone, we moderate posts that are added to the site.