
Rotational Motion – Rolling Motion, Theorems of MOI
Physics · Grade 11 · Week 20 · 25 questions
Rotational Motion is a foundational Grade 11 physics chapter that covers Rolling Motion and Theorems of MOI. These concepts reappear throughout Grade 12 and in competitive exams like JEE and NEET.
What you'll practise
- Identify Rolling Motion
- State and apply Theorems of MOI
- Apply rotational motion concepts to NCERT exercise and exemplar problems
All 25 questions in this Rotational Motion – Rolling Motion, Theorems of MOI quiz
Grade 11 Physics — Rotational Motion – Rolling Motion, Theorems of MOI: 25 practice questions with instant scoring and explanations.
- A body rolling without slipping has v_cm equal to:
- KE of a rolling body:
- For a ring rolling, fraction of KE in rotation:
- For a solid disc rolling, KE_rot / KE_total:
- For a solid sphere rolling, KE_rot / KE_total:
- In rolling without slipping, friction does:
- The direction of friction in pure rolling on horizontal surface is:
- A solid sphere, hollow sphere, disc, and ring roll down an incline. Which reaches first?
- Acceleration of solid sphere rolling down incline θ:
- Acceleration of disc rolling down incline θ:
- Acceleration of ring rolling down incline θ:
- In pure rolling, contact point has velocity:
- Top of a rolling wheel has velocity:
- Parallel axis theorem gives MOI about a parallel axis distance d from COM axis:
- MOI of rod of length L about axis through one end (M=mass):
- MOI of disc about a tangent in plane:
- MOI of disc about diameter:
- MOI of ring about diameter:
- Rolling KE of ring = Translational KE × :
- Total KE of rolling sphere = Translational KE × :
- Condition for pure rolling:
- A hoop (ring) and disc roll down same incline. Which is faster at bottom?
- MOI of solid cylinder about its axis (M=mass, R=radius):
- A rolling body's total KE is shared between translation and rotation. For ring ratio is:
- Perpendicular axis theorem for disc: I_z (through centre ⊥ plane) = :
Question 1 of 250 correct so far