Q1: 1. Which of the following is a scalar quantity in the context of motion in a straight line?

• A) Velocity
• B) Displacement
• C) Acceleration
• D) Distance

Q2: 2. An object is moving at a constant speed of 20 m/s. What is the object's velocity after 5 seconds?

• A) 100 m/s
• B) 20 m/s
• C) 5 m/s
• D) 0 m/s

Q3: 3. What is the acceleration of a car that goes from 0 m/s to 30 m/s in 10 seconds?

• A) 3 m/s²
• B) 10 m/s²
• C) 30 m/s²
• D) 300 m/s²

Q4: 4. Which of the following is a unit of acceleration?

• A) m/s
• B) m/s²
• C) m
• D) m²/s

Q5: 5. A ball is thrown vertically upwards. What is the acceleration of the ball at its highest point?

• A) 9.8 m/s²
• B) 0 m/s²
• C) -9.8 m/s²
• D) 19.6 m/s²

Q6: 6. A car is traveling at a constant speed of 60 km/h. How far will it travel in 2 hours?

• A) 30 km
• B) 60 km
• C) 120 km
• D) 240 km

Q7: 7. If an object is moving with a constant speed, what can be said about its acceleration?

• A) It is zero
• B) It is positive
• C) It is negative
• D) It is changing

Q8: 8. Which of the following equations represents the relationship between displacement, initial velocity, acceleration, and time?

• A) \( s = ut + \frac{1}{2}at^2 \)
• B) \( v = u + at \)
• C) \( v^2 = u^2 + 2as \)
• D) \( s = vt - \frac{1}{2}at^2 \)

Q9: 9. A train accelerates from rest at a rate of 2 m/s² for 10 seconds. What is its final velocity?

• A) 5 m/s
• B) 20 m/s
• C) 30 m/s
• D) 50 m/s

Q10: 10. How is speed different from velocity in the context of motion in a straight line?

• A) Speed is a vector quantity, and velocity is a scalar quantity
• B) Speed is the magnitude of velocity without direction
• C) Velocity is always positive, while speed can be negative
• D) Speed depends on the frame of reference, while velocity does not

Q11: 11. Which of the following is true about an object moving with a constant velocity?

• A) Its speed is changing
• B) Its acceleration is zero
• C) Its displacement is zero
• D) Its velocity is increasing

Q12: 12. A stone is dropped from a height of 100 meters. How long will it take to reach the ground? (Assume acceleration due to gravity is 10 m/s²)

• A) 1 second
• B) 5 seconds
• C) 10 seconds
• D) 100 seconds

Q13: 13. A car accelerates uniformly from rest at 2 m/s² for 5 seconds. What is the total distance traveled by the car?

• A) 10 m
• B) 20 m
• C) 30 m
• D) 40 m

Q14: 14. In which scenario would an object have a negative acceleration?

• A) A car accelerating forward
• B) A ball being thrown upwards
• C) A car decelerating to a stop
• D) An object moving at a constant speed

Q15: 15. Which of the following equations represents the relationship between velocity, acceleration, and time?

• A) \( v = u + at \)
• B) \( s = ut + \frac{1}{2}at^2 \)
• C) \( v^2 = u^2 + 2as \)
• D) \( s = vt - \frac{1}{2}at^2 \)

Q16: 16. A cyclist starts from rest and accelerates at 4 m/s² for 10 seconds. What is the final velocity of the cyclist?

• A) 20 m/s
• B) 40 m/s
• C) 60 m/s
• D) 80 m/s

Q17: 17. Which of the following is a characteristic of uniform circular motion?

• A) Constant speed and changing velocity
• B) Constant velocity and changing speed
• C) Changing speed and changing velocity
• D) Changing speed and constant velocity

Q18: 18. An object is moving at 5 m/s and then comes to a stop in 10 seconds. What is its acceleration?

• A) 0.5 m/s²
• B) -0.5 m/s²
• C) 1 m/s²
• D) -1 m/s²

Q19: 19. Which of the following best describes the motion of an object in free fall?

• A) Constant acceleration and increasing velocity
• B) Constant acceleration and constant velocity
• C) Variable acceleration and variable velocity
• D) Variable acceleration and constant velocity

Q20: 20. A car is moving with a speed of 30 m/s. If it comes to a stop in 5 seconds, what is its deceleration?

• A) 3 m/s²
• B) 6 m/s²
• C) 9 m/s²
• D) 12 m/s²

Q21: 21. Which of the following is a vector quantity in the context of motion in a straight line?

• A) Speed
• B) Distance
• C) Displacement
• D) Time

Q22: 22. A ball is thrown horizontally with a speed of 10 m/s. How far will it travel in 2 seconds? (Assume no air resistance)

• A) 10 m
• B) 20 m
• C) 30 m
• D) 40 m

Q23: 23. What is the average velocity of a car that travels 120 km north in 2 hours and then returns 120 km south in 3 hours?

• A) 20 km/h north
• B) 30 km/h north
• C) 40 km/h north
• D) 50 km/h north

Q24: 24. An object is accelerating at 2 m/s². If its initial velocity is 5 m/s, what will be its velocity after 4 seconds?

• A) 3 m/s
• B) 7 m/s
• C) 11 m/s
• D) 13 m/s

Q25: 25. Which of the following equations represents the relationship between average velocity, initial velocity, final velocity, and time?

• A) \( v = u + at \)
• B) \( s = ut + \frac{1}{2}at^2 \)
• C) \( v^2 = u^2 + 2as \)
• D) \( v_{avg} = \frac{u + v}{2} \)