SSA-Forces and Motion

A non-contact force means there is NO touching needed to make the force happen between the two objects.  Choose the non-contact forces.

• using a magnet, electricity, pulling a sled
• hitting a baseball, using a magnet, pushing your friend
• using a magnet, dropping a ball, two balloons repelling

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

An unbalanced force can make all of these things happen except...

• a moving object changes direction
• an object just sits there
• a moving object speeds up
• a moving object stops

Tags

NGSS.HS-PS2-1

Balanced forces can cause

• an object to speed up or slow down
• an object to stay still or move at a constant speed and direction

Tags

NGSS.MS-PS2-2

The term for when an object speeds up, slows down, or changes direction

• Speed

• Velocity

• Acceleration

• Newtons

Tags

NGSS.MS-PS2-2

If forces acting on an object are balanced, then there _________ be a change in motion

• will

• will not

Tags

NGSS.HS-PS2-1

_______ are the pushes and pulls that affect motion.

• Forces

• Gravity

• Mass

• Air Resistance

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

______ is a force that pulls objects together. On Earth, it is a force that pulls all objects to Earth's center.

• Forces

• Air Resistance

• Gravity

• Mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

______ is the amount of matter in an object

• Matter

• Mass

• Force

• Gravity

Tags

NGSS.MS-PS2-4

______ is a force caused by two things rubbing against each other.

• Force

• Friction

• Gravity

• Mass

Forces that are equal in size and opposite in direction are called...

• balanced forces

• unbalanced forces

Tags

NGSS.3-PS2-1