Joe Is Painting the Floor of His Basement Using a Paint

question 32

Multiple Choice

Joe is painting the floor of his basement using a paint roller.The roller has a mass of 2.4 kg and a radius of 3.8 cm.In rolling the roller across the floor, Joe applies a force F = 16 N directed at an angle of 35° as shown.Ignoring the mass of the roller handle, what is the magnitude of the angular acceleration of the roller?

• A)7.2 × 10¹ rad/s²
• B)1.0 × 10² rad/s²
• C)1.7 × 10² rad/s²
• D)2.3 × 10² rad/s²
• E)2.8 × 10² rad/s²

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