Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 11
Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 11
Write and Discuss Your Answer with Q.No in Comment Box at the Bottom of Post.
1. If there is no external torque acting on a system, the angular momentum does not change.
a. Tangential speed
b. Conservation of angular momentum
c. Rotational inertia
d. Torque
2. An object that is not being acted on by any forces or torques is in this state.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Equilibrium
3. Linear speed experienced by an object that is travelling along a curved path.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Torque
4. Tendency of an object to resist a change in its rotation.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Torque
5. The number of rotations of an object per unit time.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Torque
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6. Force multipled by lever arm.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Torque
7. The average position, as a single point, through which gravity appears to act on an object.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Center of gravity
8. The average position, as a single point, of the mass of an object.
a. Tangential speed
b. Rotational speed
c. Rotational inertia
d. Center of mass
9. A farmer replaces the tires on his tractor with smaller diameter tires. For a given RPM, the linear speed of the tractor is now---
a. the same as before
b. more
c. less
d. all of the above
10. Based on rotational inertia, which will take longer to roll down an incline… a can filled with ice, or the same can filled with water?
a. ice
b. water
c. both the same
d. depends on the size of the can
