Physics Practice Test – Equilibrium of Forces (Questions with Answers and Explanations)

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Physics Practice Test – Equilibrium of Forces

Hello and Welcome to Physics Practice Test - Equilibrium of Forces

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A body X of weight W is maintained in equilibrium under the action of two horizontal forces 5 N and 4 N and a third force F inclined at 30o to the vertical as shown in the diagram above. The value of W is _______

A. N      B. N     C.  N     D. 2 N



Calculate the reaction at pivot P.

A. 5.0 N
B. 7.5 N
C. 10.0 N
D. 15.0 N



Two bodies of masses ma and mb are connected to the ceiling as shown in the diagram. The tension in the upper string is _____

A. mag
B. mbg
C. (ma – mb)g
D. (ma + mb)g


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



A particle P of weight W is in equilibrium under the system of forces shown in the diagram. The values of W and  are ______

A. 5 N and 60o
B. 5 N and 30o
C. 5 N and 60o
D. 15 N and 30o

 

 

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