Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at All of these The centre of heavy portion The bottom surface The midpoint of its axis All of these The centre of heavy portion The bottom surface The midpoint of its axis ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 8.9 N 9.8 N 12 N 7.8 N 8.9 N 9.8 N 12 N 7.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Rotate about itself without moving All of these Be completely at rest Move in any one direction rotating about itself Rotate about itself without moving All of these Be completely at rest Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule means that Work is done by a force of 1 N when it displaces a body through 1 m Work is done by a force of 1 dyne when it displaces a body through 1 cm Work is done by a force of 1 kg when it displaces a body through 1 m Work is done by a force of 1 g when it displaces a body through 1 cm Work is done by a force of 1 N when it displaces a body through 1 m Work is done by a force of 1 dyne when it displaces a body through 1 cm Work is done by a force of 1 kg when it displaces a body through 1 m Work is done by a force of 1 g when it displaces a body through 1 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then Q = 2R None of the listed here Q = R P = Q Q = 2R None of the listed here Q = R P = Q ANSWER DOWNLOAD EXAMIANS APP
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