Quiz about Unbalanced Balanced Force Net Force Friction

Question 1

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

Accepted Answer

60 N right

Answer

10 N left

Answer

60 n right

Answer

50 N left

Question 2

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

Accepted Answer

Balanced Forces, Constant Speed

Answer

Balanced Forces, Acceleration

Answer

Unbalanced Forces, Constant Speed

Answer

Unbalanced Forces, Acceleration

Question 3

Which could be an example of an unbalanced force?

Accepted Answer

A baseball that has been thrown to home plate.

Answer

A plate sitting on a dining table

Answer

A ball at the top of a hill that is not moving

Answer

Earth orbiting the Sun

Question 4

Which could be an example of a balanced force?

Accepted Answer

An asteroid moving at a constant speed through space

Answer

A car accelerating from a stop sign

Answer

A box of dishes falling from a counter

Answer

A rocket taking off

Question 5

Which of the following objects will experience an unbalanced force?

Accepted Answer

A ball rolling across the floor with friction acting in the opposite direction.

Answer

A bike rider on a smooth and level road, pedaling at a constant rate.

Answer

A train pulling on another train, each with the same amount of force.

Answer

A chair sitting on the floor with balanced forces acting in opposite directions.

Question 6

If these teams are pulling with the same amount of force what will happen?

Accepted Answer

They will not move at all.

Answer

The boy in blue will win.

Answer

The boy in red will win.

Answer

Both will fall down.

Question 7

What is the net force?

Accepted Answer

40 N right

Answer

40 N left

Answer

0 N Balalnced

Answer

400 N right

Question 8

How will this object move?

Accepted Answer

It will move to the right.

Answer

It won't move.

Answer

It will move to the left.

Answer

It will move up.

Question 9

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?

Accepted Answer

50N to the left.

Answer

350N to the left.

Answer

350N to the right.

Answer

50N to the right.

Question 10

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 11

Which of the blocks above has balanced forces acting on it?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 12

two forces acting in opposite directions on an object, and do not cause a change in motion; equal in size

Accepted Answer

Balanced Force

Answer

Force

Answer

Unbalanced Force

Answer

Inertia

Question 13

two forces acting on an object and causes a change in motion; not equal in size.

Accepted Answer

Unbalanced Force

Answer

Force

Answer

Balanced Force

Answer

Net Force

Question 14

An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.

Accepted Answer

Unbalanced, because the speed is constant and there is a change in direction

Answer

Unbalanced, because the plane is moving forward, not backwards

Answer

Balanced, because the plane is not falling to a lower altitude

Answer

Unbalanced, because the plane is in motion

Question 15

How will this object move?

Accepted Answer

It will move to the right.

Answer

It won't move.

Answer

It will move to the left.

Answer

It will move up.

Question 16

How will this object move?

Accepted Answer

It won't move.

Answer

It will move to the right.

Answer

It will move to the left.

Answer

It will move in both directions.

Question 17

What is the net force?

Accepted Answer

40 N right

Answer

40 N left

Answer

0 N Balalnced

Answer

400 N right

Question 18

Calculate the Net Force.

Accepted Answer

60N, Right

Answer

60N, Left

Answer

40N, Right

Answer

0N

Question 19

What is the net force?

Accepted Answer

0 N

Answer

10 N

Answer

25 N

Answer

1 N

Question 20

If an object is not moving the forces acting upon it are _____________

Accepted Answer

balanced

Answer

unbalanced

Answer

weak

Answer

Hulk Smash!

Question 21

The sum of all forces acting on an object.

Accepted Answer

Net Force

Answer

Contact Force

Answer

Balanced Force

Answer

Unbalanced Force

Question 22

What is true about this image?

Accepted Answer

It shows balanced forces.

Answer

It shows unbalance forces.

Answer

The people on the right are winning.

Answer

The people on the left are winning.

Question 23

What is true about this picture?

Accepted Answer

The net force is 3 N

Answer

the forces are balanced

Answer

the net force is 10N

Answer

The net force is 7N

Question 24

What is a PUSH or PULL of an object?

Accepted Answer

Force

Answer

Motion

Answer

Friction

Answer

Gravity

Question 25

Which of the following statements is true?

Accepted Answer

Unbalanced forces cause a change in motion.

Answer

Balanced forces cause a change in motion.

Answer

Forces do not effect the change in motion.

Question 26

A lamp sitting on a table.

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 27

The moon orbiting the Earth at a constant speed.

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 28

A car accelerating around a mountain curve.

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Question 29

Two ice skaters moving in a straight line at a constant speed.

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 30

A skier skiing through flags in a race down the mountain.

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Question 31

A book sitting on a shelf.

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 32

A gymnast on a balance beam doing a back flip.

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Question 33

Cars in a NASCAR race speeding around the track.

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Question 34

A soccer ball sitting on the ground motionless.

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 35

A rocket lifting off the launch pad.

Accepted Answer

Unbalanced Force

Answer

Balanced Force

Question 36

Are the forces acting on the sled in Section 1 balanced or unbalanced? The track is smooth and frictionless.

Accepted Answer

Balanced

Answer

Unbalanced

Question 37

Are the forces acting on the sled in Section 3 balanced or unbalanced? The track is smooth and frictionless.

Accepted Answer

Balanced

Answer

Unbalanced

Question 38

Are the forces acting on the sled in Section 2 balanced or unbalanced? The track is smooth and frictionless.

Accepted Answer

Unbalanced

Answer

Balanced

Question 39

Are forces balanced or unbalanced when a marble rolls down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 40

Are forces balanced or unbalanced when an ice skater is moving at a constant speed in a straight line?

Accepted Answer

Balanced

Answer

Unbalanced

Question 41

Are forces balanced or unbalanced when skateboarding down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 42

Are forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?

Accepted Answer

Unbalanced

Answer

Balanced

Question 43

Which direction will the object move?

Accepted Answer

Left

Answer

Up

Answer

Down

Answer

Right

Question 44

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

Accepted Answer

The ribbon will move to the right and group B will win the tug-of-war.

Answer

The ribbon will move to the left and group A will win the tug-of-war.

Answer

The ribbon will move to the left and group B will win the tug-of-war.

Answer

The ribbon will move to the right and group A will win the tug-of-war.

Question 45

Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).

Accepted Answer

7 N Right

Answer

119 N Right

Answer

7

Answer

119

Question 46

Student A is pulling at 57 newtons and student B is pushing at 96 newtons. What is the net force (calculation).

Accepted Answer

153 N Left

Answer

39 N Left

Answer

153 N Right

Answer

39

Question 47

What is the net force (calculation).

Accepted Answer

13 N Right

Answer

5 N Right

Answer

19 N Left

Answer

13 N Left

Question 48

What is the net force (calculation).

Accepted Answer

5 N Right

Answer

5

Answer

11 N Right

Answer

0 N

Question 49

Forces that have a net force of zero ( the object is still) are ?

Accepted Answer

Balanced

Answer

Unbalanced

Question 50

What is the net force?

Accepted Answer

45 N to the right

Answer

5 N

Answer

45 N to the left

Answer

5 N to the right

Question 51

What is a force?

Accepted Answer

the PUSH or PULL on an object

Answer

The MOTION an object creates

Answer

The objects HITTING one another

Answer

Going REALLY FAST

Question 52

Which one is balanced?

Accepted Answer

top

Answer

bottom

Answer

both

Question 53

What is the FORCE?

Accepted Answer

0 N

Answer

5 N

Answer

10 N

Answer

400 N

Question 54

What is the unit for FORCE?

Accepted Answer

N (Newtons)

Answer

lbs (pounds)

Answer

g (grams)

Answer

m/s (meters per second)

Question 55

If there are two forces going in the SAME direction, you would ...?

Accepted Answer

(+) Add the forces

Answer

(-) Subtract the forces

Answer

Neither

Answer

(x) Multiply

Question 56

What is the net force?

Accepted Answer

2.2 N left

Answer

4.2 N left

Answer

4.2 N right

Answer

2.2 N right

Question 57

The sum of all forces acting on an object and direction

Accepted Answer

Net Force

Answer

Contact Force

Answer

Balanced Force

Answer

Unbalanced Force

Question 58

Calculate the Net Force.

Accepted Answer

60N, Right

Answer

60N, Left

Answer

40N, Right

Answer

0N

Question 59

What is the magnitude (size) and direction of the net force?

Accepted Answer

3 N to the Left

Answer

21 N to the Left

Answer

21 N to the Right

Answer

3 N to the Right

Question 60

Mrs. Moran and Mr. Moran decided to move the cabinet in their dining room.  Mrs. Moran stood on one side, and Mr. Moran stood on the other.  They each pushed with 30 N of force.  What was the net force on the cabinet?

Accepted Answer

0 N

Answer

60 N

Answer

30 N

Answer

90 N

Question 61

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 62

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 63

2H₂ + O₂ ----> 2H₂O What is the product?

Accepted Answer

2H2O

Answer

------>

Answer

2H₂+ O₂

Question 64

2H₂ + O₂--------> 2H₂O What are the reactants?

Accepted Answer

2H₂ +O₂

Answer

----->

Answer

2H2O

Unbalanced Balanced Force Net Force Friction

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