1. Angular motion occurs when a body moves:
(A) In a straight line
(B) Around an axis
(C) Randomly
(D) Without acceleration
2. The force that produces angular motion is:
(A) Momentum
(B) Torque
(C) Impulse
(D) Friction
3. Torque is calculated as:
(A) Force × Time
(B) Force × Distance from axis
(C) Mass × Velocity
(D) Distance ÷ Time
4. The SI unit of torque is:
(A) Newton
(B) Newton-meter
(C) Joule
(D) Watt
5. The resistance of a body to change in its angular motion is called:
(A) Inertia
(B) Angular inertia
(C) Impulse
(D) Power
6. The axis around which angular motion occurs can be:
(A) Fixed
(B) External
(C) Internal
(D) All of the above
7. Angular velocity is measured in:
(A) m/s
(B) rad/s
(C) m/s²
(D) N/s
8. A gymnast performing a somersault is an example of:
(A) Linear motion
(B) Angular motion
(C) Oscillatory motion
(D) Random motion
9. The moment of inertia depends on:
(A) Mass only
(B) Mass distribution from axis
(C) Velocity only
(D) Force applied
10. A door opens more easily when force is applied:
(A) Close to hinges
(B) Away from hinges
(C) At the center
(D) Randomly
11. Which law explains angular acceleration?
(A) Newton’s First Law
(B) Newton’s Second Law (Rotational form)
(C) Newton’s Third Law
(D) Law of Gravitation
12. Angular acceleration is defined as:
(A) Change in linear velocity per unit time
(B) Change in angular velocity per unit time
(C) Force ÷ Mass
(D) Torque × Time
13. The SI unit of angular acceleration is:
(A) m/s²
(B) rad/s²
(C) N/m²
(D) J/s
14. A skater spins faster by:
(A) Stretching arms outward
(B) Pulling arms inward
(C) Jumping upward
(D) Leaning sideways
15. The conservation law in angular motion is:
(A) Conservation of energy
(B) Conservation of momentum
(C) Conservation of angular momentum
(D) Conservation of inertia
16. Which of the following is an example of angular motion in the body?
(A) Walking
(B) Bending elbow
(C) Running
(D) Sliding
17. The product of torque and time gives:
(A) Impulse
(B) Angular impulse
(C) Work
(D) Power
18. The unit of angular momentum is:
(A) kg·m/s
(B) kg·m²/s
(C) Joule
(D) Watt
19. Angular displacement is measured in:
(A) Meters
(B) Radians
(C) Newtons
(D) Seconds
20. A seesaw is an example of:
(A) Linear force system
(B) Angular force system
(C) Oscillatory motion
(D) Impulse
21. If torque = 0, angular velocity is:
(A) Constant
(B) Zero
(C) Increasing
(D) Random
22. Centripetal force in angular motion always acts:
(A) Outward from center
(B) Toward center
(C) Along tangent
(D) Randomly
23. The turning effect of a force is called:
(A) Work
(B) Impulse
(C) Torque
(D) Power
24. The angular equivalent of F = ma is:
(A) τ = Iα
(B) τ = mv
(C) τ = mr
(D) τ = v/r
25. The symbol “τ” represents:
(A) Torque
(B) Tension
(C) Time
(D) Tangent
26. The faster a hammer thrower spins, the:
(A) Greater the linear displacement
(B) Greater the angular velocity
(C) Smaller the torque
(D) Less the inertia
27. Angular momentum is the product of:
(A) Force × Distance
(B) Moment of inertia × Angular velocity
(C) Mass × Distance
(D) Work × Time
28. A child on a merry-go-round is an example of:
(A) Linear motion
(B) Angular motion
(C) Random motion
(D) Oscillatory motion
29. The torque is maximum when force is applied:
(A) Parallel to lever arm
(B) Perpendicular to lever arm
(C) At zero distance from axis
(D) Randomly
30. Which factor does NOT affect angular motion?
(A) Force magnitude
(B) Distance from axis
(C) Mass distribution
(D) Color of object
31. The human shoulder joint allows:
(A) Linear motion only
(B) Angular motion only
(C) Both linear and angular motion
(D) No motion
32. A baseball bat swung around the shoulder demonstrates:
(A) Angular motion
(B) Linear motion
(C) Random motion
(D) Oscillatory motion
33. Rotational inertia increases when:
(A) Mass moves closer to axis
(B) Mass moves away from axis
(C) Force decreases
(D) Torque decreases
34. The SI unit of angular displacement is:
(A) radian
(B) meter
(C) second
(D) joule
35. When divers tuck their bodies, they:
(A) Increase moment of inertia
(B) Decrease moment of inertia
(C) Increase torque
(D) Decrease angular velocity
36. Angular velocity is constant when:
(A) Torque = 0
(B) Torque = Maximum
(C) Mass is large
(D) Impulse is applied
37. A wheel rotating around its axle shows:
(A) Linear motion
(B) Angular motion
(C) Oscillatory motion
(D) Random motion
38. The rate of change of angular momentum equals:
(A) Work
(B) Torque
(C) Force
(D) Power
39. Which body part mainly creates torque in a baseball pitch?
(A) Fingers
(B) Arm
(C) Shoulder joint
(D) Wrist
40. Angular acceleration is directly proportional to:
(A) Torque
(B) Inertia
(C) Velocity
(D) Mass
41. The angular momentum of a spinning ice skater remains constant if:
(A) Torque = 0
(B) Torque = maximum
(C) Mass changes
(D) Friction increases
42. Angular motion in joints occurs around:
(A) Fixed axis only
(B) Anatomical axes
(C) Imaginary lines only
(D) Gravity lines
43. A wrench is more effective when:
(A) Shorter handle
(B) Longer handle
(C) No handle
(D) Circular handle
44. The angular form of momentum is:
(A) Force × Time
(B) Moment of inertia × Angular velocity
(C) Mass × Acceleration
(D) Distance ÷ Time
45. A person pedaling a bicycle applies force that creates:
(A) Torque
(B) Linear velocity only
(C) Work without force
(D) Zero motion
46. When angular velocity increases, centrifugal effect:
(A) Increases
(B) Decreases
(C) Remains zero
(D) Becomes random
47. Which of the following is NOT angular motion?
(A) Turning a key in a lock
(B) Swinging a pendulum
(C) Stretching a rubber band
(D) Rotating a wheel
48. A discus throw demonstrates:
(A) Angular motion before release
(B) Linear motion only
(C) Oscillatory motion only
(D) No motion
49. The greater the radius from the axis, the:
(A) Smaller the torque
(B) Larger the torque for same force
(C) No effect on torque
(D) Random effect
50. The principle behind gears and levers is based on:
(A) Angular motion and torque
(B) Linear acceleration only
(C) Friction only
(D) Energy conservation only