To apply a force
Exert
A force between an object and the surface it is moving over.
Friction
The energy that an object has because it is moving.
Kinetic energy
Anything that has mass and takes up space.
Matter
A self-contained unit or aircraft, spacecraft, vehicle, or vessel that can be detached for a particular function.
Pod
Acting or going in the reverse direction.
opposite
How fast an object is moving.
speed
Speed in a particular direction.
velocity
An event or process that leads to a result or change.
Cause
A result or change that happens because of an event or process.
Effect
The moment when 2 objects hit each other.
Collision
The same in quantity, size, degree, or value.
equal
A push or pull that can change the motion of an object.
Force
To reach a conclusion using evidence and reasoning.
Infer
The amount of matter that makes up an object.
Mass