BrainPOP Forces

A force is a push or pull.

• true

• false

Tags

NGSS.3-PS2-1

True or False: Forces always involve two objects.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What does it mean when forces are balanced?

• The forces are working together to do the pushing.

• The forces are equal to each other and cancel each other out.

What does the measurement unit N stand for?

• Net Force

• Newton

• Neutrino

• Net Weight

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is an unbalanced force?

• Forces that are unequal and do not cancel each other out.

• Forces that work together.

Tags

NGSS.3-PS2-1

What is friction?

• The measure of the force of gravity on an object.

• The force that keeps us on the earth.

• The resistance a surface puts on anything sliding over it

• The force that accelerates objects toward the earth.

Acceleration is just speeding up.

• False

• True

Acceleration is an unbalanced force.

• True

• False

Tags

NGSS.MS-PS2-2

What is true of non-contact forces?

• They become weaker the farther apart they are.

• They always drive two objects farther apart.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is another term for "drag" force?

• air resistance

• normal force

Tags

NGSS.MS-PS2-2