BF Chapters 3-4 Review Homework

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, especially towards the center of the Earth.

Front

How many objects must be present for gravity to act?

Back

Gravity acts between 2 objects.

Front

What are the two forces acting on a train?

Back

The two forces are gravity and magnetic force.

Front

What happens when two teams pull with the same amount of force?

Back

They will not move at all.

Front

Where does gravity pull objects?

Back

Gravity pulls objects to the center of the Earth.

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no movement.

Front

What force allows a train to float?

Back

A balanced force acting on it allows the train to float.

Front

What is an example of a push force?

Back

Pushing a swing is an example of a push force.

Front

What is an example of a pull force?

Back

Pulling a wagon is an example of a pull force.

Front

What happens to an object if the forces acting on it are unbalanced?

Back

If the forces are unbalanced, the object will move in the direction of the greater force.