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1.5.2a Moment of a force

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Question 3

Which row in the table below correctly shows the conditions required for a rigid body to be in mechanical equilibrium?

Net external force, ∑FNet external moment, ∑MA∑F=0∑M=0B∑F=0∑M≠0C∑F≠0∑M=0D∑F≠0∑M≠0 \begin{array}{|c|c|c|} \hline & \text{Net external force, } \sum \mathbf{F} & \text{Net external moment, } \sum \mathbf{M} \\ \hline \text{A} & \sum \mathbf{F} = 0 & \sum \mathbf{M} = 0 \\ \hline \text{B} & \sum \mathbf{F} = 0 & \sum \mathbf{M} \neq 0 \\ \hline \text{C} & \sum \mathbf{F} \neq 0 & \sum \mathbf{M} = 0 \\ \hline \text{D} & \sum \mathbf{F} \neq 0 & \sum \mathbf{M} \neq 0 \\ \hline \end{array} ABCD​Net external force, ∑F∑F=0∑F=0∑F=0∑F=0​Net external moment, ∑M∑M=0∑M=0∑M=0∑M=0​​
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

1.5.2a Moment of a force Questions

  1. IGCSE
  2. /Physics
  3. /1.5.2a Moment of a force

43 exam-style questions on CIE IGCSE Physics 1.5.2a Moment of a force. Each one has a worked solution and a mark scheme showing where the marks go.

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