Edexcel IGCSE Physics 1.33P Forces on a supported beam
Practise explaining how support forces change when a load moves along a light beam, using moment balance and total upward force.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- compare support forces from the load position and distances to each end support
- predict how each upward force changes as a bag or block moves towards one support
1.33P Forces on a supported beam question 1
Diagram 1 shows a wooden plank balanced horizontally on two supports, A and B.
A block is suspended from the plank between the supports by a cable of negligible weight.
Diagram 1
The weight of the block is 260 N .
Explain what will happen to the magnitude of force F if the block is moved towards support B.
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