Forces & Motion

An object's speed and direction of motion is its ________.

• balanced forces
• kinetic energy
• unbalanced forces
• velocity

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

• acceleration
• balanced forces
• gravity
• unbalanced forces

Tags

NGSS.MS-PS2-1

The distance an object moves in a certain amount of time is ______________.

• kinetic energy
• potential energy
• speed
• unbalanced forces

Tags

NGSS.MS-PS3-1

Stored energy is called _________________.

• balanced forces
• kinetic energy
• potential energy
• unbalanced forces

Tags

NGSS.MS-PS3-2

The force that acts over a distance and pulls all objects together is _____________.

• acceleration
• gravity
• speed
• velocity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The energy of motion is ________________.

• kinetic energy
• potential energy
• speed
• velocity

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A change of speed or direction of an object's motion is called ________________.

• acceleration
• kinetic energy
• potential energy
• unbalanced forces

Forces not equal in size or opposite in direction are ____________________.

• balanced forces
• kinetic energy
• potential energy
• unbalanced forces

Tags

NGSS.MS-PS2-2

Friction can best be described as ____________.

• a force that helps move objects
• a force found between a car and its tires
• a force that is not affected by gravity
• a force that works against motion

How do scientists define the term work?

• energy spent to complete a task
• a force used to move an object a certain distance
• energy stored and later released
• a measure of how much energy a machine produces

Tags

NGSS.MS-PS3-5