Motion and Force - MDCAT Physics - MCQS

 Motion and Force are two of the most important concepts in physics. Motion is the change in position of an object over time, and force is any push or pull that causes an object to move.

In MDCAT 2023 Physics, Motion and Force are major topics that are tested on. There are many different concepts related to Motion and Force that you need to know for the exam, such as:

• Kinematics: This is the study of motion without considering the forces that cause it.
• Dynamics: This is the study of motion with the forces that cause it.
• Newton's Laws of Motion: These are three laws that describe the relationship between force and motion.
• Work and Energy: These are two concepts that are related to motion.
• Momentum: This is a measure of an object's mass and velocity.

In this blog post, we will discuss all of these concepts in detail, and we will also provide some practice questions so that you can test your understanding. By the end of this post, you will be well-prepared to answer any Motion and Force questions that come up on the MDCAT 2023 Physics exam.

So let's get started!

Here are some of the TOPICS on Motion and Force in MDCAT 2023 physics:

• Motion
• Force
• Kinematics
• Dynamics
• Newton's Laws of Motion
• Work and Energy
• Momentum
• Oscillation
• Resonance
• Damping

1. Which of the following is the SI unit of force?
   • A. Newton (N)
   • B. Joule (J)
   • C. Watt (W)
   • D. Kilogram (kg)
   • E. Ampere (A)
2. Which of the following is an example of unbalanced force?
   • A. A ball rolling down a hill
   • B. A car driving at a constant speed
   • C. A book sitting on a table
   • D. A person jumping into the air
   • E. A bird flying
3. What is the net force on an object when the forces acting on it are balanced?
   • A. Zero
   • B. One
   • C. Two
   • D. Three
   • E. Four
4. What is the relationship between mass and acceleration?
   • A. Mass is directly proportional to acceleration.
   • B. Mass is inversely proportional to acceleration.
   • C. Mass is not related to acceleration.
   • D. Acceleration is directly proportional to mass.
   • E. Acceleration is inversely proportional to mass.
5. What is the relationship between force and acceleration?
   • A. Force is directly proportional to acceleration.
   • B. Force is inversely proportional to acceleration.
   • C. Force is not related to acceleration.
   • D. Acceleration is directly proportional to force.
   • E. Acceleration is inversely proportional to force.
6. What is the law of inertia?
   • A. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
   • B. The more mass an object has, the more force is needed to change its motion.
   • C. The greater the force acting on an object, the greater its acceleration.
   • D. All of the above.
   • E. None of the above.
7. What is the first law of motion?
   • A. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
   • B. The more mass an object has, the more force is needed to change its motion.
   • C. The greater the force acting on an object, the greater its acceleration.
   • D. All of the above.
   • E. None of the above.
8. What is the second law of motion?
   • A. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
   • B. The more mass an object has, the more force is needed to change its motion.
   • C. The greater the force acting on an object, the greater its acceleration.
   • D. All of the above.
   • E. None of the above.
9. What is the third law of motion?
   • A. For every action, there is an equal and opposite reaction.
   • B. The more mass an object has, the more force is needed to change its motion.
   • C. The greater the force acting on an object, the greater its acceleration.
   • D. All of the above.
   • E. None of the above.
10. What is the difference between speed and velocity?
• A. Speed is a measure of how fast an object is moving, while velocity is a measure of how fast an object is moving and in what direction.
• B. Speed is a measure of how far an object has traveled, while velocity is a measure of how fast an object is moving.
• C. Speed is a measure of how fast an object is accelerating, while velocity is a measure of how fast an object is decelerating.
• D. Speed is a measure of how much force is acting on an object, while velocity is a measure of how much mass an object has.
• E. None of the above

11. Which of the following is the SI unit of force? (A) Newton (N) (B) Joule (J) (C) Watt (W) (D) Kilogram (kg) (E) Ampere (A)

12. Which of the following is an example of unbalanced force? (A) A ball rolling down a hill (B) A car driving at a constant speed (C) A book sitting on a table (D) A person jumping into the air (E) A bird flying

13. What is the net force on an object when the forces acting on it are balanced? (A) Zero (B) One (C) Two (D) Three (E) Four

14. What is the relationship between mass and acceleration? (A) Mass is directly proportional to acceleration. (B) Mass is inversely proportional to acceleration. (C) Mass is not related to acceleration. (D) Acceleration is directly proportional to mass. (E) Acceleration is inversely proportional to mass.

15. What is the relationship between force and acceleration? (A) Force is directly proportional to acceleration. (B) Force is inversely proportional to acceleration. (C) Force is not related to acceleration. (D) Acceleration is directly proportional to force. (E) Acceleration is inversely proportional to force.

16. Which of Newton's laws of motion states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force? (A) First law of motion (B) Second law of motion (C) Third law of motion (D) None of the above

17. Which of Newton's laws of motion states that the acceleration of an object is directly proportional to the net force acting on it, and is inversely proportional to its mass? (A) First law of motion (B) Second law of motion (C) Third law of motion (D) None of the above

18. Which of Newton's laws of motion states that for every action, there is an equal and opposite reaction? (A) First law of motion (B) Second law of motion (C) Third law of motion (D) None of the above

19. What is the difference between speed and velocity? (A) Speed is a measure of how fast an object is moving, while velocity is a measure of how far an object has traveled. (B) Speed is a measure of how fast an object is moving, while velocity is a measure of how much force is acting on an object. (C) Speed is a measure of how fast an object is accelerating, while velocity is a measure of how fast an object is decelerating. (D) Speed is a measure of how much force is acting on an object, while velocity is a measure of how much mass an object has. (E) None of the above.

20. What is the difference between uniform motion and non-uniform motion? (A) Uniform motion is when an object is moving at a constant speed in a straight line, while non-uniform motion is when an object is moving at a variable speed in a straight line. (B) Uniform motion is when an object is moving at a constant speed in a curved line, while non-uniform motion is when an object is moving at a variable speed in a curved line. (C) Uniform motion is when an object is moving at a constant speed, while non-uniform motion is when an object is accelerating. (D) Uniform motion is when an object is accelerating, while non-uniform motion is when an object is moving at a constant speed. (E) None of the above.