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What is a disadvantage of using an inclined plane to left a heavy object?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
Which of the following is done when a force causes an object to move?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
Potential energy and kinetic energy are similar in that both...
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
Which of these best shows a change from potential to kinetic energy?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
How could students find out whether a short ramp or a long ramp would require less force to use? They could measure the amount of force it takes to move...
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
50 Newtons of force was used to move a box a distance of 12 meters. How much work was done on the box?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
What effect can a simple machine have when used to move an object?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
A book is sitting on a table. Which of the following actions would add to its potential energy?
work
an object up two ramps with the same height, but different lengths
water flowing over a tall cliff
lifting it to a higher shelf
the object must be moved a greater distance
can be converted into the other form
600 Joules
A simple machine reduces the amount of force required to move an object by increasing the distance the object moves.
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