Quiz about Balanced and Unbalanced Forces

Question 1

What is the net force?

Accepted Answer

40 N right

Answer

40 N left

Answer

0 N Balalnced

Answer

400 N right

Question 2

Calculate the Net Force.

Accepted Answer

60N, Left

Answer

40N, Right

Answer

0N

Answer

60N, Right

Question 3

Calculate the Net Force.

Accepted Answer

0N, Balanced

Answer

40N, Left

Answer

40N, Right

Answer

75N, Right

Question 4

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 5

What is the net force?

Accepted Answer

0 N

Answer

10 N

Answer

25 N

Answer

1 N

Question 6

Balanced or unbalanced?

Accepted Answer

unbalanced

Answer

balanced

Question 7

The sum of all forces acting on an object.

Accepted Answer

Net Force

Answer

Contact Force

Answer

Balanced Force

Answer

Unbalanced Force

Question 8

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 9

Calculate the Net Force.

Accepted Answer

60N, Left

Answer

40N, Right

Answer

0N

Answer

60N, Right

Question 10

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 11

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

Accepted Answer

Unbalanced

Answer

Balanced

Question 12

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

Accepted Answer

Balanced

Answer

Unbalanced

Question 13

Why did Izzy fall when playing tug of war?

Accepted Answer

unbalanced forces

Answer

he tripped

Answer

balanced forces

Answer

he was pushed

Question 14

Why doesn't the ping-pong ball just shoot up to the ceiling?

Accepted Answer

force of gravity

Answer

air pressure

Answer

force of air above it

Answer

trick ping-pong ball

Question 15

Sometimes tectonic plates do not move easily past one another, and the plates become stuck. Forces build up, and when the plates finally move, tension is released, as shown below. The sudden movement of the plates is caused by -

Accepted Answer

unbalance forces

Answer

the mass of the plates

Answer

the weight of the plates

Answer

gravitational force

Question 16

If two forces act on an object in the same direction, the net force is the _____________

Accepted Answer

the sum of the two forces

Answer

the difference between the two forces

Answer

Only one of the forces acts on the object

Answer

DOOMSDAY!

Question 17

What is the net force?

Accepted Answer

400 N Down at an increasing speed

Answer

400 N Up at an increasing speed

Answer

400 N Down at a constant speed

Answer

800 N Down at a constant speed

Question 18

What is the unit for force?

Accepted Answer

Newtons (N)

Answer

<p>Joules (J)</p>

Answer

seconds (s)

Answer

<p>meters (m)</p>

Question 19

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

Accepted Answer

balanced

Answer

unbalanced

Answer

weak

Answer

Hulk Smash!

Question 20

A ____________ is a push or a pull on an object.

Accepted Answer

force

Answer

friction

Answer

magnet

Answer

gravity

Balanced and Unbalanced Forces

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