Forces and energy

More friction causes objects in motion to...

• Accelerate

• Pull

• Twist

• Decelerate

Tags

NGSS.HS-PS2-1

What forces impacted the our egg drop?

• Mass, Gravity, Air resistance

• Mass, Friction

• Push, gravity, air resistance

• Gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A unit of force is

• Kilograms

• Newtons

• Litres

• Joules

A ramp increases the ________ which decrease the _____ needed for work to be done.

(a)  

What is an electric charge?

• Losing or gaining atoms atoms

• Losing or gaining protons

• Only losing electrons

• Losing or gaining electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Pulleys change the ________ of the applied force to decrease the amount of force needed

• Mass

• Density

• Direction

• Newtons

Tags

NGSS.MS-ETS1-1

What is a fulcrum?

• The effort applied to the lever

• The total length of a lever

• The rope of a pulley system

• The point where a lever pivots

Which is not a pull force?

• Closing a door

• Dragging a horse and cart

• Closing a curtain

• Throwing a cricket ball

Magnetism is....

• A force that attracts and repels

• A force that draws objects to the earth

• A force pushing against an object

• A force pulling an objects

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

True or false: You supply a force when you open a can of soft drink

• True

• False