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- 1. Multiple Choice
Which inclined plane requires the most force to push the ball to the top?
- 2. Multiple Choice
A student is helping his neighbor move a new dishwasher into their house. The house has three steps on the front porch that cause the porch to be 2 meters above the ground. Which method requires the least amount of force to get the dishwasher from the ground to the porch?
Lift the dishwasher up one step at a time with a partner, and rest one minute between steps.
Place an inclined plane that is 10 meters long over the stairs, and roll the dishwasher up the inclined plane with a partner.
Place an inclined plane that is 5 meters long over the stairs, and roll the dishwasher up the inclined plane with a partner.
Use a fixed pulley attached to the roof of the porch to lift the dishwasher with a partner.
- 3. Multiple Choice
A
B
C
They all require the same amount of force.
- 4. Multiple Choice
Students want to raise a large crate from the ground to a deck several feet above the ground. They know it will be easier to move the crate along an inclined plane because the inclined plane will —
A. reduce the work needed to raise the crate.
B. increase the force applied to the crate.
C. increase the work done on the crate.
D. reduce the force necessary to raise the crate.
- 5. Multiple Choice
All of the following are examples of inclined planes except —
A. a ramp
B. a screw
C. a slide
D. a seesaw
- 6. Multiple Choice
Which of the following inclined planes would require the least amount of force to lift a box?
They all require the same amount of force.
- 7. Multiple Choice
Robert is using an inclined plane to move a heavy box into a truck bed that is two meters off the ground. Which of the inclined planes should Robert use to get the greatest mechanical advantage?
- 8. Multiple Choice
Which simple machine increases the distance over which a load travels and reduces the needed force?
wheel and axle
wedge
pulley
inclined plane
- 9. Multiple Choice
A worker needs to load a heavy box onto a truck. The worker uses a ramp to move the box because the ramp...
increases the weight of the box.
reduces the gravitational force on the box.
increases the amount of friction on the box.
reduces the amount of force applied to the box.
- 10. Multiple Choice
The diagram shows two ramps that a person could use to raise a 10-kilogram cardboard box to a height of 1 meter. Which statement correctly describes the force required to raise the box using the ramps?
A. The same amount of force will be required when using either ramp because both boxes have a mass of 10 kg.
B. The same amount of force will be required when using either ramp because both ramps are 1 meter high.
C. More force will be required to raise the box using Ramp X because Ramp X is steeper than Ramp Y.
D. More force will be required to raise the box using Ramp Y because Ramp Y is longer than Ramp X.
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