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Oak National Academy
12 questions
Which of the following statements about moments is correct?
A force of 40 N acts at a distance of 10 m normal to a pivot. The moment produced by the force is ___ Nm.
A moment of 50 Nm is produced by a force of 20 N. The perpendicular distance between the direction of the force and the pivot is ___ m.
A moment of 300 Nm is produced by a force acting at a distance of 50 cm from a pivot. The magnitude of the force is ___ N.
Which of the following statements for an object with no resultant force or moments acting on it are correct?
The diagram shows a metre rule of weight 5 N balanced on a support. Two objects, of weight 2 N each, are placed on it as shown. What is the size of the upwards force labelled R?
Which of the following statements describes the principle of moments?
The diagram shows a balance beam in equilibrium. There are four forces acting on it: F_1, F_2, W and R. Which of the following statements are correct?
A pupil has two masses, labelled X and Y. One of the masses is twice as heavy as the other. The pupil places the masses on a balance beam, as shown. Which of the following statements are correct?
The diagram shows a beam with three forces acting on it. Which of the following statements are correct?
The beam shown in the diagram is balanced. What is the distance x?
The beam shown in the diagram is balanced. What is the size of the force W?
