Quiz for Kinematics

Q1: Which of the following quantities is a vector?

A. Speed B. Displacement C. Distance D. Mass

Q2: What is the area under velocity-time graph?

A. Displacement B. Acceleration C. Distance D. Speed

Q3: An object is thrown vertically upward. At the highest point, its:

A. Velocity is zero B. Acceleration is zero C. Both are zero D. None are zero

Q4: The slope of a displacement-time graph gives:

A. Speed B. Velocity C. Acceleration D. Distance

Q5: A body starts from rest with constant acceleration. Which of the following is correct?

A. Velocity-time graph is a straight line B. Displacement-time graph is a curve C. Acceleration is constant D. All of the above

Q6: If a car moves with uniform acceleration, its velocity-time graph will be:

A. Linear B. Exponential C. Parabolic D. Sinusoidal

Q7: A particle moves in a circle at constant speed. Its acceleration is:

A. Zero B. Changing in magnitude only C. Changing in direction only D. Constant

Q8: Which of these is correct for a body in free fall?

A. g is negative upward B. Velocity decreases upward C. Acceleration = -g D. All of the above

Q9: Which equation is valid for constant acceleration?

A. v = u + at B. s = ut C. s = v/t D. v = s/t

Q10: In projectile motion, at the highest point:

A. Velocity is zero B. Vertical velocity is zero C. Horizontal velocity is zero D. Both components are zero

Q11: What is the dimension of acceleration?

A. LT⁻² B. LT² C. L²T⁻² D. LT⁻¹

Q12: Displacement is:

A. Always positive B. Always negative C. Can be zero D. Always equal to distance

Q13: Distance covered in nth second is given by:

A. u + a(n-1) B. u + an C. u + a(n+1) D. u + a(n - 0.5)

Q14: For a body thrown vertically upward, time to reach max height is:

A. v/g B. u/g C. u²/g D. g/u

Q15: A body moves with constant speed in a straight line. Its acceleration is:

A. Positive B. Negative C. Zero D. Increasing

Q16: When two bodies move toward each other with speed u and v, relative speed is:

A. u - v B. v - u C. u + v D. 0

Q17: A ball is thrown up with speed u. Maximum height is:

A. u²/g B. u²/2g C. 2u²/g D. u²g

Q18: Which one is scalar?

A. Velocity B. Displacement C. Acceleration D. Speed

Q19: If acceleration is zero, then velocity-time graph is:

A. Straight line parallel to time axis B. Curve C. Inclined line D. Zero line

Q20: What does the slope of a velocity-time graph represent?

A. Displacement B. Acceleration C. Speed D. Jerk