AP Physics 1easymcq1 pt
A solid sphere rolls without slipping at speed v. Its angular velocity is
A.v/r
B.vr
C.v/r²
D.2v/r
Explanation
Core Concept
No slipping means the contact point is instantaneously at rest, giving ω = v/r.
Correct Answer
Av/r
More Unit 7: Torque and Rotational Motion practice questions
- easyFor a rotating system, angular momentum remains constant under which condition?
- mediumA 0.60 kg ball swings in a circle of radius 0.50 m with period 0.40 s (π ≈ 3.14). Its angular momentum about the center is about
- mediumA 2.0 kg mass on a 1.0 m string is whirled so its angular momentum is 8.0 kg·m²/s. Its speed is
- easyFor rolling without slipping, the point of contact with the ground is
- hardA cylinder rolls down a ramp from height 1.8 m (I = ½mr², g = 10 m/s²). Its speed at the bottom is about
Practice more AP Physics 1 questions with full explanations
Practice Unit 7: Torque and Rotational Motion Questions →