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Maxine
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EzraThe polygon of forces can be obtained experimentally by applying multiple forces to an object and measuring their magnitudes and directions. By drawing vector representations of these forces to scale and closing the shape of the polygon, the resultant force can be determined. This method helps visualize the equilibrium or resultant force acting on the object.
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How is it that a river's force obtained?
gravity and built-up energy from forces of wind
In any experiment the one factor being tested is the variable control or the data?
The factor being tested in an experiment is the independent variable, which is the variable that is manipulated or changed by the researcher. The control variable is a variable that is held constant to prevent it from affecting the outcome of the experiment. The data collected in an experiment is the information or measurements obtained during the study to analyze and draw conclusions.
Do your feet exert a compressive force on the ground?
Yes. Of course, the ground exerts an equal-abd-opposite compressive force on you.===========================Answer #2:Experiment:-- Place a raw egg between the ground and your foot.-- What did you observe ? Was there any evidenceof a compressive force anywhere ?
What is an experiment used for?
An experiment is used to test a hypothesis by collecting data under controlled conditions. It allows researchers to investigate cause-and-effect relationships between variables and draw conclusions based on the results obtained. Experiments are crucial in scientific research for advancing knowledge and understanding in various fields.
Explain why the polygon of forces must close when a body is in equilibrium?
The polygon of forces must close in equilibrium to satisfy the condition that the net force acting on the body is zero. If the forces do not close, it would indicate there is a resultant force acting on the body, causing it to accelerate rather than being in equilibrium.
