Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What did Galileo discover in his legendary experiment on the Leaning Tower of Pisa? | Galileo found that a heavier stone does not fall significantly faster than a lighter one.
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| What did Galileo discover about moving bodies and force in his experiments with inclined planes? | In the absence of a retarding force, a body will keep moving at a constant speed in a straight line forever.
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| What type of path does a moving object follow in the absence of a force? | It continues to move in a straight line at a constant speed.
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| What is the net force on a bag pulled down by gravity with a force of 18 newtons and pulled upward by a rope with a force of 18 newtons? | The net force is zero newtons.
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| When you stand at rest on a bathroom scale, how does your weight compare with the support force from the scale? | Your weight is equal in magnitude and opposite in direction to the support force from the scale.
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| A different scaffold that weighs 400 N supports two painters, one 500 N and the other 400 N. The reading in the left scale is 800 N. What is the reading in the right-hand scale? | T=500N
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| Lucy Lightfoot stands with one foot on one bathroom scale and her other foot on a second bathroom scale. Each scale reads 335 N .What is Lucy's weight? | W=670N
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| Henry Heavyweight weighs 1450 N and stands on a pair of bathroom scales so that one scale reads twice as much as the other.What are the scale readings? | W1,W2=967,483N
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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