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Newton’s 1st Law Balanced vs. Unbalanced Forces WB Quiz

Newton’s 1st Law Balanced vs. Unbalanced Forces WB Quiz

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Question 1 of 15

1. Question

The data table below lists the masses and speeds of four objects.

Which object has the least inertia? Which object has the greatest inertia?

least = Y, greatest = X
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least = W, greatest = Z
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greatest = W, least = Z
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greatest = Y, least = X
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Question 2 of 15

2. Question

Which type of force(s) will cause a change in an object’s motion?

gravity
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balanced forces
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zero net force
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unbalanced forces
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Question 3 of 15

3. Question

An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?

slowing motion in a straight line
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constant motion in a straight line
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accelerating motion in a straight line
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constant motion in an unpredictable direction
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Question 4 of 15

4. Question

Match the following definitions with their correct term.

Sort elements

a force that acts opposite to the direction of the motion
a push or pull
An object at rest stays at rest, an object in motion stays in motion
a force that causes an object to move
force that equals out causing the object not to move

Friction

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Force

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Newton's 1st Law of Motion

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Unbalanced force

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Balanced force

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Question 5 of 15

5. Question

After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals

twice the force with which it was fired
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1/2 the force with which it was fired
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the same amount of force with which it was fired
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zero, since no force is requires to keep it moving.
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Question 6 of 15

6. Question

One object has twice as much mass as another object. The first object also has also twice as much…

velocity
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inertia
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gravitational acceleration
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mechanical advantage
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Question 7 of 15

7. Question

How long will an object remain at rest, according to Newton’s First Law of Motion?

it can't rest
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until an unbalanced force occurs
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until noon
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as long as there are unbalanced forces acting on it
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Question 8 of 15

8. Question

Objects at rest resist , while objects in motion resist .

rest, motion
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motion, rest
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stress, movement
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movement, stress
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Question 9 of 15

9. Question

Which team won? Explain why or why not.

Neither team won. They are both pulling with the same amount of force.
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The team on the left won because they pulled with an unbalanced force of 300N to the left.
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The team on the right won because they pulled with an unbalanced force of 500N to the right.
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The team on the left won because they pulled with an unbalanced force of 800N to the left.
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Question 10 of 15

10. Question

Which team won? Explain why or why not.

The team on the left won because they pulled with an unbalanced force of 100 N to the left
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The team on the right won because they pulled with an unbalanced force of 100 N to the left
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The team on the right won because they pulled with an unbalanced force of 100 N to the right
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Neither team won because they pulled with an equal amount of force.
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Question 11 of 15

11. Question

A boat moves to the left at a constant speed of 7 m/s. The current moves to the right at 5 m/s. What will happen if the current increases to 8 m/s?

The boat will speed up.
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The boat will slow down.
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The boat will move backwards.
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The boat will continue sailing to the left at a constant speed of 4 m/s.
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Question 12 of 15

12. Question

A girl is pushing a cart by herself with a force of 12 N. What will happen if a boy begins to help her and their combined force is 25 N?

The cart will speed up.
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The cart will slow down.
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The cart will move at a constant speed in a straight line.
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The cart will stop.
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Question 13 of 15

13. Question

Unbalanced forces

make an object move opposite the applied force.
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can change an object's speed but not direction.
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maintain the constant motion of an object.
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cause the motion of an object to change.
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Question 14 of 15

14. Question

A projectile is launched into space where there is very little friction. According to Newton’s law of inertia, the projectile will most likely continue to travel in a straight line and

eventually slow to a stop.
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remain at a constant speed.
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increase in speed and then slow to a stop.
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gradually decrease and then increase in speed.
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Question 15 of 15

15. Question

Which of the following is an example of balanced forces?

A seesaw remains stationary when two students of equal weight sit on the ends.
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A person in a hot air balloon ignites the burner, which makes the balloon rise.
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A light bulb filament glows when a current moves through a wire.
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A driver slams on the car brake, and the car comes to a stop.
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