Simple Machines Review

This simple machine makes work easier by increasing the distance over which a force is used.

• Wedge

• Inclined Plane

• Lever

• Pulley

A wedge changes the direction of a force from downward to what?

• Upward

• Upside down

• Outward

• Inside

Which simple machine is made up of a stiff bar that moves freely on a fixed point?

• Pulley

• Wheel and Axle

• Lever

• Wedge

Which simple machine is made up of an inclined plane wrapped around a post?

• Inclined Plane

• Screw

• Wedge

• Pulley

A screw changes the direction of a force by changing a turning force into what kind of force?

• Spread out

• Split

• Downward

• Larger

What is the fixed point that a lever moves on called?

• Wedge

• Screw

• Fulcrum

• Pulley

Some simple machines change the ______________ of the force.

• motion

• direction

• speed

• velocity

Which simple machine is made up of two inclined planes?

• Screw

• Wedge

• Lever

• Pulley

What is an object that changes a force called?

• Direction

• Motion

• Simple Machine

• There is no such thing

Simple Machines let you use _______________ force to move an object.

• more

• magic

• less

• amazing