1. Angular motion refers to motion:
(A) Along a straight line
(B) Around a fixed point or axis
(C) With uniform acceleration
(D) With zero displacement
2. Angular motion is also called:
(A) Linear motion
(B) Rotational motion
(C) Translatory motion
(D) Oscillatory motion
3. Angular motion occurs when:
(A) All parts of a body move the same distance
(B) All parts move around a fixed axis at the same angle
(C) Only one part moves while others remain fixed
(D) Motion is along a curved line
4. The unit of angular displacement is:
(A) Meter
(B) Radian
(C) Newton
(D) Joule
5. Angular motion is most commonly seen in:
(A) Rigid body rotation
(B) Linear translation
(C) Rectilinear motion
(D) Projectile motion
6. In biomechanics, angular motion mainly occurs at:
(A) Muscles
(B) Joints
(C) Bones
(D) Ligaments
7. Angular velocity is defined as:
(A) Rate of change of angular displacement
(B) Rate of change of torque
(C) Rate of change of inertia
(D) Rate of change of distance
8. The SI unit of angular velocity is:
(A) m/s
(B) rad/s
(C) rad/s²
(D) N·m
9. Angular acceleration is defined as:
(A) Change in angular displacement per unit time
(B) Change in angular velocity per unit time
(C) Change in radius per unit time
(D) Change in force per unit time
10. Angular motion differs from linear motion because:
(A) Distance covered is the same for all points
(B) Angle covered is the same for all points
(C) Speed remains constant
(D) No external force is needed
11. Example of angular motion in daily life is:
(A) Walking straight
(B) Door swinging on hinges
(C) Car moving on a road
(D) Elevator moving upward
12. Example of angular motion in the human body is:
(A) Running
(B) Rotation of the forearm at the elbow
(C) Jumping
(D) Walking
13. In angular motion, each particle of the body follows:
(A) A straight path
(B) A circular arc
(C) A parabolic path
(D) A linear trajectory
14. The radius of rotation in angular motion is:
(A) Distance from axis of rotation
(B) Length of body
(C) Angular displacement
(D) Torque applied
15. Which of the following is an angular quantity?
(A) Torque
(B) Angular displacement
(C) Angular velocity
(D) All of the above
16. The angular equivalent of linear displacement is:
(A) Torque
(B) Angular displacement
(C) Angular momentum
(D) Angular acceleration
17. The angular equivalent of linear velocity is:
(A) Angular torque
(B) Angular velocity
(C) Angular momentum
(D) Angular acceleration
18. The angular equivalent of linear acceleration is:
(A) Angular momentum
(B) Angular acceleration
(C) Angular frequency
(D) Torque
19. In angular motion, all points have the same:
(A) Linear velocity
(B) Angular displacement
(C) Distance from axis
(D) Linear displacement
20. Linear velocity of a point in angular motion is given by:
(A) v = ωr
(B) v = r/ω
(C) v = ω²r
(D) v = τ/I
21. Angular motion is always measured in:
(A) Degrees or radians
(B) Newtons
(C) Joules
(D) Meters
22. Which law explains angular motion?
(A) Newton’s First Law of Motion
(B) Newton’s Second Law for Rotation
(C) Hooke’s Law
(D) Pascal’s Law
23. A rotating ceiling fan is an example of:
(A) Linear motion
(B) Angular motion
(C) Rectilinear motion
(D) Curvilinear motion
24. Which of these is NOT an example of angular motion?
(A) Spinning wheel
(B) Swinging pendulum
(C) Door opening
(D) Car moving in a straight line
25. Angular displacement is measured as:
(A) Ratio of arc length to radius
(B) Product of radius and arc length
(C) Change in velocity
(D) Torque per unit time
26. In angular motion, torque is analogous to:
(A) Force
(B) Displacement
(C) Velocity
(D) Energy
27. Angular motion can be classified as:
(A) Rectilinear and curvilinear
(B) Clockwise and counterclockwise
(C) Translatory and oscillatory
(D) General and projectile
28. Which joint allows maximum angular motion?
(A) Hinge joint
(B) Ball and socket joint
(C) Pivot joint
(D) Saddle joint
29. The unit of angular frequency is:
(A) Hz
(B) rad/s
(C) m/s
(D) J
30. Angular momentum is defined as:
(A) Iω
(B) mv
(C) F × d
(D) Iα
31. The SI unit of angular momentum is:
(A) N·m
(B) kg·m²/s
(C) J·s
(D) rad/s
32. Which factor affects angular motion?
(A) Mass of object
(B) Distance from axis
(C) Applied torque
(D) All of the above
33. A rolling wheel has:
(A) Only linear motion
(B) Only angular motion
(C) Both linear and angular motion
(D) No motion
34. The angular displacement of one complete revolution is:
(A) π rad
(B) 2π rad
(C) 4π rad
(D) 360 rad
35. In sports, angular motion is observed in:
(A) Sprinting
(B) Discus throw
(C) Long jump
(D) High jump
36. The term “axis of rotation” means:
(A) Line about which rotation occurs
(B) Torque applied
(C) Path length covered
(D) Inertia of mass
37. Human walking combines:
(A) Only linear motion
(B) Only angular motion
(C) Both linear and angular motion
(D) Oscillatory motion
38. In biomechanics, angular motion is often measured with:
(A) Stopwatch
(B) Goniometer
(C) Thermometer
(D) Dynamometer
39. The rate of change of angular displacement is called:
(A) Torque
(B) Angular acceleration
(C) Angular velocity
(D) Moment of inertia
40. If angular velocity is constant, angular acceleration is:
(A) Zero
(B) Infinite
(C) Constant
(D) Increasing
41. Torque is maximum when the applied force is:
(A) Parallel to lever arm
(B) Perpendicular to lever arm
(C) At 45° to lever arm
(D) Along axis of rotation
42. Angular motion always occurs around:
(A) A fixed point or axis
(B) A straight line
(C) Center of gravity
(D) Path of least resistance
43. Rotational kinetic energy is expressed as:
(A) ½mv²
(B) ½Iω²
(C) mgh
(D) Fd
44. Angular acceleration is symbolized by:
(A) ω
(B) θ
(C) α
(D) τ
45. A fan blade moving around its center is showing:
(A) Angular motion
(B) Linear motion
(C) Projectile motion
(D) Vibrational motion
46. Which property resists angular motion?
(A) Inertia
(B) Moment of inertia
(C) Momentum
(D) Torque
47. Angular velocity can be expressed in:
(A) Degrees per second
(B) Radians per second
(C) Revolutions per minute
(D) All of the above
48. Which of the following is conserved in absence of external torque?
(A) Angular displacement
(B) Angular momentum
(C) Angular velocity
(D) Angular acceleration
49. Angular displacement is a:
(A) Scalar quantity
(B) Vector quantity
(C) Both scalar and vector
(D) None of the above
50. A gymnast spinning faster when pulling in arms shows:
(A) Conservation of linear momentum
(B) Conservation of angular momentum
(C) Increase in torque
(D) Decrease in inertia