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SPH 4C REVIEW

SPH 4C REVIEW. Unit # 1: Kinematics. Big Ideas Distance, displacement Speed, velocity Acceleration Acceleration due to gravity. Unit # 1: Kinematics. An object travels 5 km [N], then 8 km [S], in 1200 seconds. a) Draw a diagram of the motion. b) Find the total distance travelled. .

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SPH 4C REVIEW

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  1. SPH 4C REVIEW

  2. Unit # 1:Kinematics Big Ideas • Distance, displacement • Speed, velocity • Acceleration • Acceleration due to gravity

  3. Unit # 1: Kinematics An object travels 5 km [N], then 8 km [S], in 1200 seconds. a) Draw a diagram of the motion. b) Find the total distance travelled.

  4. Unit # 1:Kinematics c) Find the total displacement. d) Find the speed. e) Find the velocity.

  5. Unit # 1:Kinematics • How could you find the velocity from 0 s to 5 s? • How could you find the acceleration from 0 s to 5 s?

  6. Unit # 1:Kinematics A cyclist accelerates at a rate of 0.75 m/s2, from a speed of 1.5 m/s, for 7 seconds. Find their final speed. (4 marks)

  7. Unit # 2:Dynamics Big Ideas • Force of gravity • Free-body diagrams • Newton’s Laws, F = ma • Friction

  8. Unit # 2:Dynamics The acceleration due to gravity on the moon is 1.6 m/s2. Determine the force of gravity of an 80.0 kg astronaut standing on the moon. (3 marks)

  9. Unit # 2:Dynamics Draw a free-body diagram for a four-wheeler stuck in a swamp, that someone is trying to push out.

  10. Unit # 2:Dynamics Examine the free-body diagram below. If the car has a mass of 1200 kg, determine the acceleration of the object. Fn Ff = 37 N Fapp = 150 N Fg

  11. Unit # 2:Dynamics A 12 kg box is sitting on a table. The coefficient of kinetic friction is 0.44. Determine the force of kinetic friction on the box. What is the other type of friction? Would it be more or less than the kinetic friction?

  12. Unit # 3:Simple Machines Big Ideas • Simple Machines • Levers • Torque • Mechanical Advantage

  13. Unit # 3:Simple Machines A woman wants to raise one end of a piano so she can place coasters under the wheels. The piano has a weight of 1600 N, but the woman can only apply a force of 400 N. She places a fulcrum 30 cm from the piano and uses a strong board as a first class lever to raise the piano. a. Draw a sketch of this situation showing the fulcrum, the lever, effort arm, load arm, effort force and load force involved.

  14. Unit # 3:Simple Machines b. What is the length of the effort arm required to lift the piano?

  15. Unit # 3:Simple Machines For the lever shown below, calculate the percent efficiency.

  16. Unit # 4:Energy Transformations Big Ideas • Energy Transformations • Work • Gravitational Potential Energy • Kinetic Energy • Elastic Energy • Total Energy • Energy Sources • Power • Efficiency • Heat Engines

  17. Unit # 4:Energy Transformations List the types of energy. Write the energy transformation for a bungee jumper, starting at the top of a bridge.

  18. Unit # 4:Energy Transformations If a 45 N force was used to move a box 75 m, what was the work done?

  19. Unit # 4: Energy Transformations A 0.100 kg marble is launched upward from a sling shot at a height of 1.5 m above the ground and initially going 12 m/s. a. Draw a diagram of the marble’s flight, labeling the total energy at the initial point, halfway to the top and at the top of the flight. ( 4 marks) .

  20. Unit # 4:Energy Transformations b. Determine the initial kinetic energy of the marble. (3 marks) c. Determine the initial gravitational potential energy of the marble. (3 marks)

  21. Unit # 5:Hydraulics & Pneumatics Big Ideas • Fluids • Pressure • Pascal’s Principle • Fluid Systems • Turbulence • Bernoulli’s Principle

  22. Unit # 5:Hydraulics & Pneumatics What is the density of glycerine if it has a mass of 630 kg and takes up 0.50 m3 of space?

  23. Unit # 5:Hydraulics & Pneumatics In an automobile service centre, the hydraulic jack can exert a maximum force on the small piston of 2.2 x 103 N. The surface area of the small piston is 0.10 m2 and the surface area of the large piston is 2.0 m2. Calculate a) The pressure on the small piston.

  24. Unit # 5:Hydraulics & Pneumatics • The maximum force which can be used to lift a car. c) The mass of the car.

  25. Unit # 6:Electricity Big Ideas • Schematic Diagrams • Loads in Series and Parallel • Sources in Series and Parallel • Resistors in Series and Parallel • Resistance in a circuit • Voltage in Series and Parallel • Current in Series and Parallel

  26. Unit # 6:Electricity Draw a schematic diagram of a parallel circuit, with 3 light bulbs in parallel. One light bulb should be controlled by a knife switch. The other two should be in parallel and controlled by one variable resistor. The circuit should be run by 3 cells in series.

  27. Unit # 6:Electricity

  28. Unit # 6:Electricity Find the resistance of a 2 Ω light bulb and 10 Ω hair dryer wired in: • Series • Parallel

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