Extra practice worksheet(Forces, Gravity& Friction)

Gravity pushes you down to the earth.

• True

• False

What makes objects fall to the earth?

• Gravity

• wind

• force

• Air pressure

The force that pulls things toward earth.

• Speed
• Gravity
• Frictional
• Nature

What does friction cause?

• It makes things speed up.

• It makes things slow down or stop.

• It make things fall to the ground.

Without friction a toy car would ----

• keep going and going.

• stop right away.

• stay at rest all the time.

The rougher the surface the _______ friction there is.

The smoother the surface, the _______friction there is.

• less... more

• more... less

• balanced... unbalanced

The rougher the surface, the faster an object will travel over the surface.

• True

• False

The strength of forces can be measured using ...

• forcemeters

• newton

• frictionmeters

The standard unit used to

measure forces is the ...

• gravity

• newton

• meter

Objects are pulled towards the centre of the Earth because of ...

• friction

• gravity

• prediction