0 votes
521 views
in Physics Form 1 by

A lorry of weight 20000N is brought to rest on a uniform bridge, by applying brakes, as shown in the figure below. The weight of the bridge is 60000N and is 20m long. It is supported at P and Q. calculate the reactions at P and Q.
PhycF4T1P1Q2

1 Answer

0 votes
by

PhycF4T1P1A1
Taking moments about to end Q
60,000 x 10 + 20,000 x 14 = Tp x 20
Tp = 44,000N
But TQ+Tp = 60,000 + 20,000
TQ= 80,000 - 44,000 = 36,000

Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.4k questions

9.6k answers

6 comments

590 users

...