statics

Related Questions

• A body of 6 kg rests in limiting equilibrium on an inclined plane whose slope is 30°. If the plane is raised to slope of 60°, the force in kg wt along the plane required to support it is

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• Two unlike parallel forces P and Q act at points 5m apart. If the resultant force is 9N and acts at a distance of 10m from the greater force P, then

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• A bar AB of weight W rests like a ladder, with upper end A against a smooth vertical wall and the lower end B on a rough horizontal plane. If the bar is just on the point of sliding, then the reaction at A is equal to $(\mu $ is the coefficient of friction)

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• The resultant of forces P and Q acting at a point including a certain angle $\alpha $is R, that of the forces $2P$and Q acting at the same angle is $2R$and that of $P$and $2Q$acting at the supplementary angle is $2R$. Then $P:Q:R=$

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• A body is in equilibrium on a rough inclined plane of which the coefficient of friction is $(1/\sqrt{3})$ . The angle of inclination of the plane is gradually increased. The body will be on the point of sliding downwards, when the inclinician of the plane reaches

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