In above problem the resultant reaction between the cannon and the ground would be
A.50 tonnes
B.145 tonnes
C.286.5 tonnes
D.573 tonnes
E.1146 tonnes
Category: Applied Mechanics Mcqs
The direction of projection for the range of a projectile to be maximum on an inclined plane having angle of inclination 30? to the horizontal, whould be
A.30? with horizontal
B.30? with vertical
C.45? with horizontal
D.45? with inclined plane
E.60? with inclined plane
If for power transmission a gear train consisting of 11 gears is used, then
A.the motion of driver and follower will be in the same direction
B.The motion of driver and follower will be in the opposite direction
C.either of (A) or (B) above
D.None of the above
The centroid of the area between the circle x2 + y2 = 16 and the line x + y = 4 will have the coordinates
A.(4, 2)
B.(2, 4)
C.(2.34, 2.34)
D.(1.16, 1.16)
An iron sphere of mass 30 kg and an aluminium sphere of mass 10 kg, both having the same diameter are dropped vertically from a cliff. When they are 10 metrs from the ground, they have identical
A.Accelerations
B.Momenta
C.Kinetic energies
D.Potential energies
E.All of the above
If w is the angular velocity of the pulley and T1 and T2 are tensions of driving and driven side then power transmitted equals
A.(T1 + T2) w
B.(T1 – T2) w
C.wT1
D.(T1 + 2T2) w
