Science 5 (inclined plane) quiz by Farquerabao BEES

Which inclined plane makes use of less force when they have the same length

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Which of the following statement/s is/are true about inclined planes?

• More force is needed to lift an object in a shorter distance

• Less force is needed to loft an object in a shorter distance

• More force is needed in a longer distance

• Force is exerted over a long distance using more force

What simple machine is shown in the picture above?

(a)  

Imagine you're pushing a moving box up a ramp into a moving truck. What word best describes the box?

• Load

• Force

• Work

• Simple machine

Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?

• Less force was needed on the 20 cm plane

• More force was needed on the 40 cm inclined plane.

• The least amount of force was needed on the 40 cm inclined plane.

• The least amount of force was needed on the 30 cm inclined plane.