⚙ 10 multiple-choice physics questions related to #dynamics!!

1. Which of the following is a measure of an object's resistance to changes in its motion?
   A. Velocity
   B. Acceleration
   C. Inertia
   D. Force
   Answer:___

2. According to Newton's second law of motion, the acceleration of an object is directly proportional to the:
   A. Force applied to it
   B. Mass of the object
   C. Velocity of the object
   D. Displacement of the object
   Answer:___

3. When a net force is applied to an object, it will always result in:
   A. An increase in velocity
   B. A decrease in velocity
   C. A change in direction
   D. A change in mass
   Answer:__

4. The force of gravity acting on an object is also known as its:
   A. Frictional force
   B. Tension force
   C. Normal force
   D. Weight
   Answer:___

5. Which of the following statements is true about action-reaction pairs of forces?
   A. They act on the same object
   B. They have the same magnitude
   C. They have the same direction
   D. They act on different objects
   Answer:____

6. The force required to keep an object moving at a constant velocity in the absence of friction is called:
   A. Static friction
   B. Kinetic friction
   C. Rolling friction
   D. Balanced force
   Answer:__

7. Which of the following is an example of a non-contact force?
   A. Friction
   B. Tension
   C. Gravity
   D. Magnetic force
   Answer:___

8. The force required to accelerate an object with a mass of 5 kg at a rate of 2 m/s^2 is:
   A. 2 N
   B. 5 N
   C. 10 N
   D. 20 N
   Answer:___

9. According to Newton's third law of motion, for every action, there is an equal and opposite:
   A. Force
   B. Acceleration
   C. Velocity
   D. Mass
   Answer:__

10. The force exerted by a stretched or compressed spring is called:
    A. Tension force
    B. Normal force
    C. Spring force
    D. Gravitational force
    Answer:__

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