Chapter 2 Forces

A ball speeding up as it falls to the ground at an ___________ of 9.8m/s/s

• velocity

• acceleration

• inertia

• momentum

The amount of matter in a substance

• Newton

• pounds

• mass

• Pascals

Tags

NGSS.HS-PS1-7

If neither side is moving the ____________________ is zero.

• net forces

• unbalanced

• inertia

• momentum

Any push or pull

• forces

• momentum

• acceleration

• velocity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Besides a strength, or magnitude, what does every force have?

• gravity
• direction
• friction
• magnetism

A ball is rolled across four different surfaces with the same force. Which surface will slow the movement of the ball the most?

• tile floor
• paved road
• grassy field
• cement sidewalk

How can you complete this sentence so it is always true?
The greater the net force acting on an object,

• the lesser the mass of the object.
• the greater the mass of the object.
• the lesser the acceleration of the object.
• the greater the acceleration of the object.

What always happens when the forces acting on an object are equal in strength and opposite in direction?

• The object moves.
• The motion of the object does not change.
• The object does not move.
• The object becomes heavier.

 What is the unit called that measures force?

• weight
• meter
• Newton
• kilogram

Tags

NGSS.MS-PS2-1

What does friction produce?

• light
• sound
• heat
• gravity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5