Force and Motion_Lesson Review

The ________ of an object is how fast an object's position changes over time.

• Motion

• Speed

• Force

• Acceleration

A change in an object's position is called __________

• Acceleration

• Velocity

• Motion

• Distance

When the speed of an object also includes direction, it becomes ________

• Velocity

• Position

• Acceleration

• Motion

Velocity and acceleration are always in the same direction.

• True

• False

A force is a push or a pull.

• True

• False

When one object touches another to apply force, is called ________

• Contact Force

• Noncontact Force

• Balanced Force

• Unbalancd Force

Inertia is

• The tendency of an object in motion to stay in motion

• The tendency of an object at rest to stay at rest

• Both

• None

When an object is at rest, all the forces acting on it are balanced.

• True

• False

When you skate in a straight line at the same speed, the forces are:

• Balanced

• Unbalanced

• Contact

• Noncontact

Objects with more weight or mass have a __________ gravity.

• stronger

• weaker

• Both of them

• None of them