An object with a mass of 20 kg has a net force of 80 N acting on it. What is the acceleration of the object? O 0.25 m/s2
O 4 m/s2
O 60 m/s2
O 100 m/s2
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Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

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