Structural Engineering III MCQ with Answers

66) A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to

Answer is:

Wtan(a + <|))

67) A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t - 4), the acceleration of the particle will be given by the equation

Answer is:

6f-8

68) A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

Answer is:

45°

Explanation:

Angle of projection: Angle of projection is the angle, with the horizontal,at which the projectile is projected.

A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is 45°.

A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

69) Limiting force of friction is the

Answer is:

the friction force acting when the body is just about to move

70) Coulomb friction is the friction between

Answer is:

66) A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to

Wtan(a + <|))

67) A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t - 4), the acceleration of the particle will be given by the equation

6f-8

68) A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

45°

69) Limiting force of friction is the

the friction force acting when the body is just about to move

70) Coulomb friction is the friction between

bodies having relative motion