Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 20° 48' 17° 48' 19° 48' 18° 48' 20° 48' 17° 48' 19° 48' 18° 48' ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 108.5 kg 102.5 kg 110 kg 105.5 kg 108.5 kg 102.5 kg 110 kg 105.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α - θ) 4π √(α/θ) 2π √(α/θ) (1/2π) √(α/θ) 2π √(α - θ) 4π √(α/θ) 2π √(α/θ) (1/2π) √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton force, is 10⁵ dynes 10⁴ dynes 10³ dynes 10⁶ dynes 10⁵ dynes 10⁴ dynes 10³ dynes 10⁶ dynes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Triangle Closed polygon Open polygon Parallelogram Triangle Closed polygon Open polygon Parallelogram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero The resultant force is zero but resultant couple is not zero ANSWER DOWNLOAD EXAMIANS APP