Question 1

What force pulls objects toward the center of the Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Magnetism

Question 2

What force can pull objects toward a magnet?

Accepted Answer

Magnetism

Answer

Friction

Answer

Gravity

Answer

Tension

Question 3

What force is created when two surfaces rub against each other?

Accepted Answer

Friction

Answer

Pressure

Answer

Magnetism

Answer

Gravity

Question 4

What is inertia?

Accepted Answer

The tendency of an object to stay still or keep moving unless acted upon by a force

Answer

The force that pulls objects towards each other

Answer

The weight of an object on Earth

Answer

The speed of an object moving in a circle

Question 5

What is energy transfer?

Accepted Answer

The movement of energy from one object to another.

Answer

The creation of energy from nothing.

Answer

The stopping of energy flow between objects.

Answer

The same as velocity.

Question 6

What are balanced forces?

Accepted Answer

Forces that act on an object without changing its motion.

Answer

Forces that always make an object speed up.

Answer

Forces that pull objects apart.

Answer

Forces that only work in one direction.

Question 7

What is gravity?

Accepted Answer

A noncontact force that acts over a distance and pulls all objects towards Earth.

Answer

A type of energy that can be used for motion.

Answer

A force that only works on heavy objects.

Answer

A push or pull that requires physical contact.

Question 8

What does a collision mean?

Accepted Answer

When two or more objects crash into each other with a force.

Answer

When energy is created from nothing.

Answer

When objects move smoothly past each other.

Answer

When objects become lighter after an event.

Question 9

What is the definition of speed?

Accepted Answer

How fast an object’s position changes over time.

Answer

How heavy an object is.

Answer

The direction in which an object is moving.

Answer

The force applied to an object.

Question 10

What is velocity?

Accepted Answer

The speed and direction of an object.

Answer

The change in speed over time.

Answer

The distance an object travels.

Answer

The amount of force applied to an object.

Question 11

What is inertia?

Accepted Answer

An object in motion stays in motion and an object at rest stays at rest.

Answer

A measure of how fast something is moving.

Answer

The force that pulls objects toward each other.

Answer

A type of energy that can be created and destroyed.

Question 12

What does it mean when forces are unbalanced?

Accepted Answer

Forces change the motion of an object.

Answer

Forces do not affect the motion of an object.

Answer

Forces cancel each other out.

Answer

Forces always act in the same direction.

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