SSA-Forces and Motion

Front

What is a non-contact force?

Back

A non-contact force is a force that can act on an object without any physical contact between the objects. Examples include magnetism and gravity.

Front

Name three examples of non-contact forces.

Back

1. Using a magnet 2. Electricity 3. Two balloons repelling each other.

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its motion, such as speeding up, slowing down, or changing direction.

Front

What happens when an unbalanced force acts on a moving object?

Back

The object can change direction, speed up, or stop.

Front

What happens when forces are balanced?

Back

When forces are balanced, the object does not move or remains at rest.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other. On Earth, it pulls everything toward the center of the planet.

Front

What is the effect of gravity on objects on Earth?

Back

Gravity causes all objects to fall toward the ground when dropped.

Front

What is a push force?

Back

A push force is a force that moves an object away from the person or thing applying the force.

Front

What is a pull force?

Back

A pull force is a force that draws an object closer to the person or thing applying the force.

Front

What happens in a tug of war when both teams pull with the same force?

Back

Neither team will move; they will remain in the same position.