6th grade physical science

Match it! Select the correct answer from the pull down...Good luck!

An unbalanced force can cause an object's motion to change by

Friction occurs because of

A change in a moving object's speed or direction is _____________.

The law of universal gravitiation says that gravitational force is

A measure that does not change when an object's location change

A hiker's velocity begins at 1.8m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?

A force that always acts to oppose motion

_______ is a push or pull that always acts on an object.