Motion hard

Motion Quiz (Hard)

1. Which of the following statements about acceleration is correct?

a) Acceleration is always in the direction of motion. b) Acceleration is always in the opposite direction of motion. c) Acceleration is always perpendicular to the direction of motion. d) Acceleration can be in any direction.

2. An object is thrown vertically upwards. What is the sign of its acceleration at the highest point?

a) Positive b) Negative c) Zero d) Cannot be determined

3. A car is moving with a constant speed on a circular track. What can you say about its acceleration?

a) The acceleration is zero. b) The acceleration is positive. c) The acceleration is negative. d) The acceleration is changing.

4. Which of the following statements about velocity and speed is correct?

a) Velocity is always greater than speed. b) Speed is always greater than velocity. c) Velocity and speed are always equal. d) Velocity and speed are different quantities.

5. A train is moving on a straight track. Which of the following statements about its motion is correct?

a) The train's motion is always uniform. b) The train's motion is always non-uniform. c) The train's motion can be both uniform and non-uniform depending on its speed. d) The train's motion can be both uniform and non-uniform depending on its acceleration.

6. Which of the following graphs represents uniformly accelerated motion?

a) Graph A b) Graph B c) Graph C d) Graph D

7. The total distance covered by an object in a certain time interval is its:

a) Speed b) Distance c) Displacement d) Acceleration

8. A car is moving with a speed of 50 m/s. How far will it travel in 10 seconds?

a) 500 m b) 1000 m c) 5000 m d) 10000 m

9. A train accelerates from rest at a rate of 2 m/s^2. How much time will it take to reach a speed of 20 m/s?

a) 8 seconds b) 10 seconds c) 12 seconds d) 14 seconds

10. An object is thrown vertically upwards. What is the acceleration at the highest point of its motion?

a) 0 m/s^2 b) 9.8 m/s^2 c) -9.8 m/s^2 d) 18.6 m/s^2