Question : The measure of the force that can cause an object to rotate about an axis is called:
Option 1: moment of inertia
Option 2: power
Option 3: torque
Option 4: centripetal force
Correct Answer: torque
Solution : The correct answer is torque.
The measure of the force that can cause an object to rotate about an axis is called torque. Torque is the product of force and the distance from the axis of rotation to the point where the force is applied. Torque plays a crucial role in understanding the rotational motion of objects.
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Question : A system exhibiting Simple Harmonic Motion (SHM) must posses
Option 1: elasticity as well as inertia
Option 2: elasticity, inertia, and an external force
Option 3: elasticity only
Option 4: inertia only
Question : Power exerted by an object moving in a straight line is equal to force multiplied by ______.
Option 1: displacement
Option 2: velocity
Option 3: work
Option 4: acceleration
Question : Which among the following is responsible for the rotation of the plane of oscillation of Foucault's pendulum?
Option 1: Centripetal force
Option 2: Viscous drag of air
Option 3: Centrifugal force
Option 4: Coriolis force
Question : Which of the following quantities is a measure of inertia?
Option 1: Velocity
Option 2: Acceleration
Option 3: Mass
Option 4: Weight
Question : Which of the following helps keep the Earth's atmosphere in place?
Option 1: The gravitational force of the moon
Option 2: Rotation of the Earth on its axis
Option 3: The gravitational force of the Earth
Option 4: The gravitational force of the Sun
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