who wants to_be_a_millionaire_forces and machines

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A force is a _______________ .

door

push or a pull

object

magnet

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This picture is an example of ____________ .

gravity

lever

pushing

pulling

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Name the object in the picture.

slide

bicycle

screw

wheel

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Name the object in the picture.

wedge

bike

screw

wheel

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________ is a force that pulls objects towards the centre of the

Earth.

Lifting

Work

Magnetism

Gravity

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A common form of work is _________________ .

All of the answers are correct.

lifting

pushing

pulling

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This picture demonstrates _______________ .

magnetism

gravity

contact force

cranes

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In which activity are you NOT moving an object?

Kicking a football

Pulling your backpack

Sleeping

Riding a skateboard

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A machine is a tool used to make work _____________ .

harder

easier

more fun

more boring

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Final Answer?

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What type of machine is in the picture?

simple

gravity

magnetic

complex

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Complex machines are made up of two or more _________

___________ .

complex machines

bicycles

wheelbarrows

simple machines

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We use this complex machine to cut paper during Art activities.

scissors

glue

screw

wedge

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We ride this complex machine. It has two wheels and two axles.

slide

bicycle

wheelbarrow

crane

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A wedge is a solid object that is thick at one end and _____ at the

other.

thick

thin

hot

cold

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A lever is a bar that moves on a point called a _____________ .

falcrum

fulcrum

crumb

ramp

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Answer?

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What type of machine is in the picture?

simple

complex

lever

inclined plane

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Which is NOT a complex machine?

pulley

bicycle

wheelbarrow

clock

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______________ is a special kind of force that makes objects slow

down or even stop.

Friction

Gravity

Poles

Contact force

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This is a _________ , an example of a ___________ .

lever; simple machine

slide; simple machine

crane; simple machine

lever; complex machine

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Answer?

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This is a ________ , an example of a _________ .

gear; lever

slide; inclined plane

brake; lever

crane; pulley