Explore Forces and Motion

Front

What is motion?

Back

Motion is the change in position of an object relative to a reference point.

Front

What is a reference point?

Back

A reference point is a stationary object used to determine the position of another object.

Front

What is a non-contact force?

Back

A non-contact force is a force that acts between two objects that are not touching each other.

Front

What is a contact force?

Back

A contact force is a force that acts between two objects that are touching each other.

Front

What is force?

Back

Force is a push or pull on an object.

Front

What is the difference between a push and a pull?

Back

A push moves an object away from you, while a pull brings it closer to you.

Front

What is the effect of balanced forces on an object?

Back

Balanced forces do not change the motion of an object; it remains at rest or continues to move at a constant speed.

Front

What is the effect of unbalanced forces on an object?

Back

Unbalanced forces cause an object to accelerate, changing its speed or direction.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it is in contact with another surface.

Front

What is gravity?

Back

Gravity is a non-contact force that attracts two objects towards each other, depending on their masses.