Physics · Engineering Mechanics
A rigid massless tetrahedron is placed such that vertex O is at the origin and the other three vertices A, B, C lie on the coordinate axes. The body is acted on by three point loads, of which one is acting at A along the x-axis and another at point B along the y-axis. For the body to be in equilibrium, the third point load acting at point O must be:
- 1In the y-z plane but not along the y or z axis
- 2Along the z-axis
- 3In the z-x plane but not along the z or x axis
- 4In the x-y plane but not along the x or y axis✓
Correct answer
In the x-y plane but not along the x or y axis
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