Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 2 J 6 J 4 J 8 J 2 J 6 J 4 J 8 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is P/Q Q/P P + Q P - Q P/Q Q/P P + Q P - Q 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 (1/2π) √(α/θ) 2π √(α - θ) 2π √(α/θ) 4π √(α/θ) (1/2π) √(α/θ) 2π √(α - θ) 2π √(α/θ) 4π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n rpm 2n rpm n/4 rpm n/2 rpm n rpm 2n rpm n/4 rpm n/2 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be 20 rad/sec 5 rad/sec 10 rad/sec 20 rad/sec 20 rad/sec 5 rad/sec 10 rad/sec 20 rad/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Resultant of horizontal thrust and support reaction Support reactions Horizontal thrust Half the weight of the cable Resultant of horizontal thrust and support reaction Support reactions Horizontal thrust Half the weight of the cable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS