5. Force and Acceleration Ø Oracle is sorting packages. Oracle is so strong that

Question

5. Force and Acceleration

Ø Oracle is sorting packages. Oracle is so strong that he can push a 90 kg box down the line with a force of 55 N. What is the acceleration of the box?

6. Acceleration and Force

Ø Achilles to compete in strong man competitions. If Achilles can pull a 1,500 kg fire truck with an acceleration of 10m/s, how much forward force is Achilles using? (negate friction)

7. Acceleration Equation

Ø An Aston Martin that has a mass of 1100 kg rolls down a hill that has an angle of 30 degrees. Calculate the acceleration.

8. Velocity, Acceleration and Position Graphs

Ø If Acceleration is at a constant positive position what does that say about the position and velocity graphs?

9. Velocity, Acceleration and Position Graphs

Ø When velocity is considered negative on a velocity verse time graph?

10. Conservation of Energy

Ø Explain the difference be elastic and in elastic collisions. When is momentum conserved? When is kinetic energy conserved?

11. Conservation of Energy

Ø What is total energy?

Explanation / Answer

5.

m = mass = 90 kg

F = force = 55 N

a = acceleration = F/m = 55/90 = 0.61 m/s2

6.

m = 1500 kg

a = 10

F = ma = 1500 x 10 = 15000 N

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