Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Work is said to be done Body has kinetic energy of translation None of these Power is being transmitted Work is said to be done Body has kinetic energy of translation None of these Power is being transmitted ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = r / α None of these a = α.r a = α/ r a = r / α None of these a = α.r a = α/ r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π/ω π/ω ω/2π 2π × ω 2π/ω π/ω ω/2π 2π × ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/ 8 4r/ 3π 8r/3 3r/4π 3r/ 8 4r/ 3π 8r/3 3r/4π ANSWER DOWNLOAD EXAMIANS APP
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