Question
Hard
Solving time: 4 mins
A long, uniform bridge of weight is supported at each end by pillars, as shown.
The pillars exert forces and on the ends of the bridge.
What are the values of and when a van of weight is on the bridge, from the left-hand pillar?
Text solutionVerified
Balancing the forces
Balancing the torque
Substituting the value of in eqn.
Balancing the torque
Substituting the value of in eqn.
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Question Text | A long, uniform bridge of weight is supported at each end by pillars, as shown. The pillars exert forces and on the ends of the bridge. What are the values of and when a van of weight is on the bridge, from the left-hand pillar? |
Topic | Effects of forces |
Subject | Physics |
Class | Grade 9 |
Answer Type | Text solution:1 |
Upvotes | 155 |