M2 Physics Sub-Module No 2(Quiz No:2)

Quiz

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1. It is the influence tending to change the motion of a body or produce stress in a stationary body ?
   1.   Force
   2.   Stress
   3.   Both
2. The effect of force acting on a stationary body or structure is called ?
   1.   Strain
   2.   Stress
   3.   Power
3. This ratio is called the gravitational field strength ?
   1.   Weight/mass
   2.   Force/mass
   3.   Weight/force
4. One of them is not an examples of contact forces ?
   1.   Gravitational force
   2.   Tensional force
   3.   Air resistance force
5. Which of the following has no units?
   1.   Strain
   2.   Stress
   3.   Elasticity
6. Internal resistance to deformation is known as ?
   1.   Stress
   2.   Strain
   3.   Elasticity
7. It is the stress that resists a crushing force ?
   1.   Shear
   2.   Tension
   3.   Compression
8. It is the stress that resists twisting ?
   1.   Compression
   2.   Torsion
   3.   Shear
9. Iron and steel has density ?
   1.   1000 kgm3
   2.   7900 kgm3
   3.   2700 kgm3
10. As the altitude of an aircraft increases the atmospheric pressure on it ?
    1.   Increases
    2.   Remains same
    3.   Decreases