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  1. AP Physics 1 Revised
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Torque and Rotational Dynamics

Question 1
Physics 1 (2025)APConcept Practice
1 mark

A rotating object has a rotational inertia of 2 kg⋅m2kg \cdot m^2kg⋅m2. If a net torque of 10 N⋅mN \cdot mN⋅m is applied, what is the resulting angular acceleration?

Question 2
Physics 1 (2025)APConcept Practice
1 mark

A 10 N force is applied 0.5 m from the axis of rotation at an angle of 30 degrees relative to the radial line. What is the magnitude of the torque?

Question 3
Physics 1 (2025)APConcept Practice
1 mark

A wheel rolls down an incline without slipping. How is its linear acceleration related to its angular acceleration?

Question 4
Physics 1 (2025)APConcept Practice
1 mark

If the net torque on an object is doubled, what happens to the angular acceleration, assuming rotational inertia remains constant?

Question 5
Physics 1 (2025)APConcept Practice
1 mark

Two forces are applied to a rod that is free to rotate about one end. Force F1F_1F1​ = 10 N is applied at the midpoint of the rod, perpendicular to the rod. Force F2F_2F2​ = 5 N is applied at the free end of the rod, also perpendicular to the rod, but in the opposite direction. If the rod is 2 m long, what is the net torque ...

Question 6
Physics 1 (2025)APConcept Practice
1 mark

At what angle between the force and the lever arm is the torque maximized?

Question 7
Physics 1 (2025)APConcept Practice
1 mark

A solid disk and a hoop have the same mass and radius. If the same torque is applied to both, which will have a greater angular acceleration?

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Question 8
Physics 1 (2025)APConcept Practice
1 mark

A wheel is rotating with a constant angular velocity. Which of the following statements must be true?

Question 9
Physics 1 (2025)APConcept Practice
1 mark

A wheel with a rotational inertia of 5 kg⋅m2kg \cdot m^2kg⋅m2 experiences a torque of 20 N⋅mN \cdot mN⋅m. What is its angular acceleration?

Question 10
Physics 1 (2025)APConcept Practice
1 mark

Two forces are applied to a disk. One force of 5 N is applied at the edge (radius = 0.2 m), and another force of 3 N is applied halfway to the center, in the opposite direction. Calculate the net torque.