Q.1) A 50 kg block is dropped from a height of 2 m onto the the 20 kg pan of a spring scale. Assuming the impact to be perfectly plastic, determine the maximum deflection of the pan. The constant of the spring is k = 20 kN/m.
Q.1) A 50 kg block is dropped from a height of 2 m onto the the 20 kg pan of a spring scale.
Assuming the impact to be perfectly plastic, determine the maximum deflection of the pan.
The constant of the spring is k = 20 kN/m.
Q.2) Answer the following questions:
a) Why does any person lean towards right while carrying a bag in her left hand?
b) Give the physical significance of moment of inertia.
c) Two satellites of equal masses, which can be considered as particles are
orbiting the earth at different heights? Will their moments of inertia be same or
different?
Q.3) A 5-kg model rocket is launched vertically and reaches an altitude of 100 m with a speed
of 40 m/s at the end of powered flight, time t=5 s. As the rocket approaches its maximum
altitude it explodes into two parts of masses mA=1.7 kg and mB=3.3 kg. Part A is observed to
strike the ground 50 m west of the launch point at t=6 s. Determine the position of part B at
that time.
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