Force and Motion

A force is any _______ or _________ that causes an object to move.

• stop, pull

• push, direction

• push, pull

• stop, move

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

What is Friction

• When 2 surfaces rub against each other.

• When you push something and it moves.

• When something stops.

What is Force?

• When something isn't balanced.

• When something attracts something else.

• Any push or pull that causes an object to move, stop or change directions.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Forces act in ____________.

• Groups

• Pairs

• Alone

• Trios

Tags

NGSS.MS-PS2-1

The rate of work is _________________.

• simple machines

• work

• power

• force

Which statement is TRUE?

• More mass, more friction

• Less mass, more gravity

• Less, mass, more friction

• None of the above

Unbalanced forces have ________________?

• no change in motion

• none

• change in motion

• both

Tags

NGSS.MS-PS2-2

Which of these is a simple machine?

• Triangle

• Car

• Screw

• Wheel Barrow

In unbalanced forces, the net force equals zero.

• TRUE

• FALSE

Force that works against motion is ___________.

• Gravitation

• Friction

• Magnetism

• Motion