Physics Practice Tests – Moment of a Force (Questions with Answers and Explanations)

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Physics Practice Tests – Moment of a Force (Questions with Answers and Explanations)

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In the diagram shown, the moment of the 5 N force about the point X is _____

A. 25 Nm
B. 25 Nm
C. 50 Nm
D. 50 Nm



In the diagram shown, the moment of force F about the point X is ____

A. Fa sin θ    B. Fa tan θ     C.     D. Fa cos θ


Calculate the moment of the force shown in the diagram below: (NECO 2021)



A. 5.0 Nm      B. 10.0 Nm       C. 17.3 Nm       D. 20.0 Nm


A metre rule pivoted at its centre has masses m1 and m2 placed at the 20 cm and 65 cm marks respectively. If the metre rule balances horizontally, the ratio  is _____

A. 2    B.     C.     D.


A uniform metre rod of weight 40 N has a piece of metal of weight 20 N attached to one of its ends. The centre of gravity of the system from the weighted end is _______

A. 8.4 cm
B. 16.7 cm
C. 25.0 cm
D. 33.3 cm

 

 

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