Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = x. tanα + (gx²/2u² cos²α) 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 = α/ r None of these a = α.r a = r / α a = α/ r None of these a = α.r a = r / α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of 1 m 2 m 3 m 4 m 1 m 2 m 3 m 4 m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is correct in connection with projectiles? All of these The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. All of these The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 12 cm4 20 cm4 9 cm4 16 cm4 12 cm4 20 cm4 9 cm4 16 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A reversible machine None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
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