Experiment Design, Forces And Work Question Preview (ID: 21674)


Review.

A force ...
a) always causes on object to move.
b) can be measured in kilograms.
c) is a push or a pull.
d) is the amount of work done.

Question ID#: 589400 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

If forces are in the same direction,
a) you add them to get the net force.
b) you subtract them to get the net force.
c) they are always equal.
d) they will have the same acceleration.

Question ID#: 589401 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

If forces are in opposite directions,
a) you add them to get the net force.
b) you subtract them to get the net force.
c) they are always equal.
d) they will have the same acceleration.

Question ID#: 589402 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

If the net force on an object is 60 N, then
a) there is only force acting on it.
b) the forces acting on it are balanced.
c) the forces acting on it are unbalanced.
d) it will not move.

Question ID#: 589403 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

If the net force on an object is 0 N, then
a) there are several forces acting on it.
b) the forces acting on it are balanced.
c) the forces acting on it are unbalanced.
d) it will move.

Question ID#: 589404 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Emmy pushes on a box with 10 N of force to the left, while Claire pushes on the box with 8 N of force to the right. What will happen to the box?
a) It will not move.
b) It will move to the left.
c) It will move to the right.
d) Not enough information to determine if the box will move or not.

Question ID#: 589405 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Work occurs when
a) an object moves
b) a force is applied to an object and the object moves
c) a force is applied to an object and the object moves in the direction of the force
d) a force is applied to an object and the object moves in the opposite direction of the force

Question ID#: 589406 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

You are dribbling a basketball down the court and pass the ball to your teammate. When did WORK occur on the ball?
a) only when you dribbled the ball
b) when you dribbled the ball and when your teammate caught it
c) when you held the ball
d) when you dribbled the ball and when you threw it down court to your teammate

Question ID#: 589407 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

At the end of science class, you pick up your binder and carry your things to your next class. When did WORK occur?
a) there was no work done
b) when you picked up the binder
c) when you picked up the binder and carried it to your next class
d) when you carried it to your next class

Question ID#: 589408 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

You pull on a locked door as hard as you can. Why wasn't there any work done?
a) the door was broken
b) the door did not move
c) because you pulled on the door
d) WORK was done on the door

Question ID#: 589409 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Why do people use ramps to move heavy objects?
a) Because they are lazy
b) Because it takes more force to move an object up a ramp than lifting it
c) Because it takes less force to move an object up a ramp than lifting it
d) Because it would decrease the distance you had to move the object

Question ID#: 589410 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

When you use a ramp, it takes less force but you have to
a) push harder
b) accelerate the object more
c) move the object a greater distance
d) make sure the ramp is twice as long as the mass of the object

Question ID#: 589411 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

The WORK done when using a ramp
a) can't be determined
b) is more than when you lift the object straight up.
c) is less than when you lift the object straight up.
d) is the same as when you lift the object straight up.

Question ID#: 589412 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

What is formula for work?
a) Work = mass x distance
b) Work = Force / distance
c) Work = Force x acceleration
d) Work = Force x distance

Question ID#: 589413 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

What unit is WORK measured in?
a) Joules
b) Newtons
c) Celsius
d) Calories

Question ID#: 589414 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

If you pull a wagon with 25 N of force over a distance of 5 m, how much work have you done?
a) 29 J
b) 125 J
c) 5 J
d) no work was done

Question ID#: 589415 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

The one factor that is changed in an experiment is the
a) control
b) dependent variable
c) independent variable
d) observation

Question ID#: 589416 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

When designing an experiment, how many independent variables should you have?
a) one
b) two
c) three
d) four or more

Question ID#: 589417 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

What you measure or observe to obtain your results. (In the video, it would have been when they measured the height of the plants after Spring Break.)
a) independent variable
b) dependent variable
c) control
d) conclusion

Question ID#: 589418 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Factors in an experiment that stay the same. (In the video, it would have been the amount of sunlight, type of soil, type of pot, type of plant, temperature of room, etc.)
a) hypothesis
b) control
c) factor
d) data

Question ID#: 589419 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

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