MDACT Physics

Rotational And Circular Motion MDCAT Quiz with Answers

Rotational And Circular Motion MDCAT Quiz refer to the motion of an object in a circular path or around an axis. These are very important concepts in understanding the dynamics of rotating objects and the forces involved. It is very essential for MDCAT students to master the principles of rotational and circular motion in order to solve problems involving angular displacement, velocity, acceleration, and forces acting on rotating bodies. The MDCAT Quiz often includes questions involving circular motion and the dynamics of objects moving in a circular path, so it is very important that students understand these principles.

​MDCAT Quiz: Rotational and Circular Motion Questions

Similarly, the questions on rotational and circular motion have the majority of them focus on the calculations of angular displacement, angular velocity, or centripetal force. For example, students may be asked to find the angular velocity of a wheel rotating at a specific rate or perhaps calculate the centripetal force on an object while it is moving in a circular path. These types of questions evaluate the ability of students to apply equations of motion for rotating and circular objects. In addition, problems relating linear and angular quantities—say, the relationship between linear velocity and angular velocity—are also very common in the MDCAT exam. Students should be able to solve such problems efficiently by understanding the formulas and their applications in real-world scenarios.

  • Test Name: Rotational And Circular Motion MDCAT Quiz
  • Type: Quiz Test
  • Total Questions: 30
  • Total Marks: 30
  • Time: 30 minutes

Note: Answer of the questions will change randomly each time you start the test, once you are finished, click the View Results button.

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Free Flashcards for Rotational and Circular Motion

The following are free flashcards that MDCAT students use to revise the concepts of rotational and circular motion. The flashcards include main formulae: angular velocity, centripetal force, and centripetal acceleration, with examples of circular motion problems. Regular reviewing of these flashcards will definitely make a student well-prepared to answer any questions on rotational and circular motion in the MDCAT Quiz accurately. Flashcards help a lot in mastering these concepts and raising the performance level regarding energy, forces, and motion-related questions.

The term "angular velocity" refers to the rate at which an object __________.

Changes its angle of rotation

The formula for centripetal force is __________.

F=mv2rF = frac{mv^2}{r}F=rmv2​

A body undergoing uniform circular motion has __________.

Constant speed and changing velocity

The moment of inertia depends on the __________.

Mass distribution and axis of rotation

The angular displacement is measured in __________.

Radians

The centrifugal force is __________.

A fictitious force observed in a rotating reference frame

The angular momentum is given by the formula __________.

L=IωL = I omegaL=Iω

The torque is the product of __________.

Force and the perpendicular distance from the axis of rotation

For an object in a circular motion, the direction of velocity is __________.

Tangential to the path

The rotational equivalent of force is __________.

Torque

The SI unit of angular velocity is __________.

Radians per second

The work done in rotational motion is given by __________.

W=τθW = tau thetaW=τθ

A body moving with uniform circular motion experiences __________ acceleration.

Centripetal acceleration

The angular velocity of an object in a circular path is __________.

The rate of change of angular displacement

In a rotating system, the moment of inertia is analogous to __________ in linear motion.

Mass

The centripetal acceleration in circular motion is __________.

ac=v2ra_c = frac{v^2}{r}ac​=rv2​

The unit of angular momentum is __________.

kg⋅m2/skg cdot m^2/skg⋅m2/s

The formula for the moment of inertia of a solid cylinder about its axis is __________.

I=12mr2I = frac{1}{2} m r^2I=21​mr2

The angular velocity of an object in circular motion is the rate at which it __________.

Changes its angle of rotation

The rotational kinetic energy of an object is given by __________.

K.E.=12Iω2K.E. = frac{1}{2} I omega^2K.E.=21​Iω2

The angular acceleration is defined as __________.

The rate of change of angular velocity

The right-hand rule is used to determine the direction of __________.

Angular velocity

The force that keeps an object moving in a circle is called __________.

Centripetal force

The equation for rotational work is __________.

W=τθW = tau thetaW=τθ

The angular displacement is the angle subtended by __________.

The object’s position relative to the center

In the case of a rolling object, both __________ contribute to its kinetic energy.

Translational and rotational motion

The SI unit of torque is __________.

Newton-meter

The relation between angular velocity and linear velocity is given by __________.

v=ωrv = omega rv=ωr

The rotational inertia of a body depends on __________.

Its shape and mass distribution

For an object in equilibrium, the sum of all torques must be __________.

Zero

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