Simple Machines Quizizz

What is the term for pushing or pulling on an object to make it move?

• work

• force

• power

• energy

Tags

NGSS.3-PS2-1

A student wants to use a lever to lift a heavy load. Where should the fulcrum be placed to use as little effort as possible?

• The fulcrum should be removed from the lever/

• The fulcrum should be closer to the load than the effort.

• The fulcrum should be closer to the effort than the load.

• The fulcrum should be exactly between the effort and the load.

Tags

NGSS.MS-PS2-1

In a compound pulley, what happens when an additional pulley is added?

• The amount of effort needed remains the same.

• The amount of effort needed is doubled.

• The amount of effort needed is increased.

• The amount of effort needed is reduced.

Which will require the greatest force to move an object up the inclined plane?

• A steel ramp with a steep slope

• A steep ramp with a gentle slope

• A sandpaper ramp with a steep slope

• A sandpaper ramp with a gentle slop

What type of simple machine helps to run a Ferris Wheel at a carnival or amusement park?

• wedge

• pulley

• inclined plane

• wheel and axle

Tags

NGSS.MS-PS2-1

How does a wedge function?

• A small force is used to turn the wedge, and the force then increases.

• A wedge uses a smaller amount of force if it is used over a greater distance.

• A force strikes the flat end of the wedge and drives the thin edge of the wedge forward.

• A wedge changes the direction of the force, so instead of moving up, the force moves down.

What simple machines are found in a can opener?

• Screw, lever, pulley

• Wheel and axle, lever, wedge

• Wheel and axle, pulley, lever

• Lever, wedge, pulley

A science teacher in a wheel chair uses a ramp to enter the school building. What simple machine did the science teacher use?

• pulley

• wedge

• lever

• inclined plane

What is one way simple machines help make tasks easier?

• They increase the amount of work needed to do do the task

• They increase the amount of force needed to do the task

• They decrease the amount of work needed to do the task

• They decrease the amount of force needed to do the task.

Tags

NGSS.MS-ETS1-1

Which of the following is a type of simple machine that is made from two inclined planes?

• wedge

• pulley

• lever

• screw