A group of 10 students are performing a dance on a platform made of wood which is 10m broad 0.5m thick and 30m long. If each child exerts a force of 50N, then find the pressure exerted by them on the platform.
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EXPLANATION
The formula for finding pressure is Force/Area
To find the force, multiply 50 by 10 because there are 10 children each exerting a force of 50N.
The formula for finding area is length×breadth(width).
Therefore, to find the area you have to multiply 10m(breadth) by 30m(length).
Then you divide.
ANSWER
Pressure=Force/Area
Force=50×10=500N
Area=30×10=300m²
∴Pressure=500/300
=1.7 Pa
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