Physics – Kinematics

1. Which of the following options illustrates non-uniform motion?

  1. A car accelerating from rest
  2. A train moving at a constant speed
  3. A cyclist coasting downhill at a steady pace
  4. A boat drifting on calm water
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Answer: Option A. A car accelerating from rest

2. Which of the following pairs consists of two scalar quantities?

  1. Velocity and displacement
  2. Force and acceleration
  3. Momentum and energy
  4. Speed and mass
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Answer: Option D. Speed and mass

3. What does the slope of a velocity-time graph indicate when an object continues to move with a constant negative acceleration and begins with a positive initial velocity?

  1. Negative constant value
  2. Positive constant value
  3. Zero value
  4. Varies with time
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Answer: Option A. Negative constant value

4. What is the branch of mechanics that deals with the study of the motion of material objects without considering the causes of motion called?

  1. Dynamics
  2. Statics
  3. Kinematics
  4. Thermodynamics
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Answer: Option C. Kinematics

5. What can be said about the displacement of an object?

  1. It is always equal to the distance traveled
  2. It is the shortest distance between the initial and final positions
  3. It is a vector quantity that only considers speed
  4. It can be negative, but only for objects moving right
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Answer: Option B. It is the shortest distance between the initial and final positions