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WorksheetsAP Physics 1 Intro to Rotational Kinetic Energy and Momentum
Total questions: 10
Worksheet time: 20mins
Which equation defines kinetic energy?
Which equation defines the relationship between linear velocity and angular velocity?
Which equation defines rotational kinetic energy?
A bowling ball has a mass of 7.00 kg, a moment of inertia of 2.80 × 10−2 kg·m2, and a radius of 0.100 m. If it rolls down the lane without slipping at an angular speed of 4.00 rad/s, what is its rotational kinetic energy?
0.280 J
0.448 J
0.224 J
11.2 J
A bowling ball has a mass of 7.00 kg, a moment of inertia of 2.80 × 10−2 kg·m2, and a radius of 0.100 m. If it rolls down the lane without slipping at an angular speed of 4.00 rad/s, what is its translational (linear) kinetic energy?
1.40 J
2.80 J
56.0 J
0.560 J
Which forms of energy are present for objects rolling down an incline?
Gravitational potential energy
Elastic potential energy
Kinetic energy
Rotational kinetic energy
Which forms of energy are present for objects in an Atwood’s machine?
Gravitational potential energy
Elastic potential energy
Kinetic energy
Rotational kinetic energy
Which are true for angular momentum?
Its symbol is L .
It is equal to the product of I and ω .
It exists for all objects that are moving.
It exists only for rotating objects or objects moving in a circle.
Which equation shows the correct relationship between angular momentum and torque?
Which are true for the man in the figure, as he pulls his arms closer, assuming there is negligible resistance?
His linear speed increases.
His angular speed increases.
His moment of inertia increases.
His angular momentum increases.
