West Bengal Police Constable Special Mock Test

Physics - Motion

1 / 10

1) Which of the following is true about the slope of a displacement-time graph?

A) The slope represents the velocity

B) The slope represents the acceleration

C) The slope represents the displacement

D) The slope has no physical meaning

2 / 10

2) A person standing on a moving skateboard throws a ball horizontally at 10 m/s. If the skateboard is moving at 5 m/s in the same direction, what is the speed of the ball relative to the ground?

A) 15 m/s

B) 5 m/s

C) 20 m/s

D) 10 m/s

3 / 10

3) An object is moving in a circle with a uniform speed. Which of the following statements is true regarding its velocity and acceleration?

A) Velocity is constant, and acceleration changes direction

B) Velocity changes, and acceleration is zero

C) Both velocity and acceleration change direction

D) Velocity is constant, and acceleration is zero

4 / 10

4) Which of the following is a correct equation of motion

5 / 10

5) A stone is dropped from a height of 80 m. How long does it take to reach the ground?

A) 5 s

B) 4 s

C) 6 s

D) 3 s

6 / 10

6) A car is moving in a circular track of radius 100 m with a constant speed of 20 m/s. What is the centripetal force acting on the car if its mass is 800 kg?

A) 3200 N

B) 2000 N

C) 1600 N

D) 4000 N

7 / 10

7) A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is the total distance traveled by the car during this time?

A) 200 m

B) 250 m

C) 150 m

D) 100 m

8 / 10

8) The velocity of an object is:

A) A vector quantity

B) A scalar quantity

C) Neither scalar nor vector quantity

D) Both scalar and vector quantity

9 / 10

9) If an object is thrown straight up in the air, what can we say about its acceleration at the highest point?

A) The acceleration is positive

B) The acceleration is changing

C) The acceleration is zero

D) The acceleration is negative

10 / 10

10) Which of the following features are used by Protista organisms for locomotion

A) C Ephemera

B) B Flagella

C) A Maxillia

D) D Chimera

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Curriculum

Physics (Motion গতি)

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