Unit 6 Motion Study Guide

This is the downward force exerted on any falling object.

• gravity

• friction

• air resistance

• terminal velocity

What is the unit of weight?

• g

• Kg

• n

• N

If a 300 N force acts to the left, and the object does not move, the reaction force will act how?

• 300 N left

• 600 N left

• 300 N right

• 600 N right

This force is the weakest of the four. It is also the attractive force.

• weak

• gravitational

• strong nuclear

• electromagnetic

What tool do we use to measure the amount of weight exerted?

• stopwatch

• spring scale

• thermometer

• triple-beam balance

The measurement of the amount of matter in any material is its

• time

• length

• mass

• volume

In order for friction to be a factor, what must the objects be doing?

• moving

• touching

• flying

• speeding

On earth, a kilogram of mass will weigh ____.

• 9.8Kg

• 9.8 N

• 1 Kg

• 0.98 N

• 1 N

Which force is used to define the sum of all forces acting on an object?

• balanced

• gravitational

• unbalanced

• net force

Select the instrument likely to determine an object's mass.

• stopwatch

• bathroom scale

• thermometer

• triple-beam balance