2.

Choose the best answer.

A _____ is a machine that has no or few moving parts, but makes work easier.

bike tire

simple machine

leg muscle
3.
Choose all that apply.

Choose TWO ways that simple machines make work easier.

They change the direction of the force.

Less force is needed to move an object.

They do work without any force.
4.
Choose the best answer.

Using _____ to move an object is work.

patience

attention

force
5.
Match the simple machines with the examples.

inclined plane

wedge

screw

lever

wheel and axle

pulley

1 answer

  1. The best answer is: simple machine

  2. The TWO ways that simple machines make work easier are:

  • They change the direction of the force.
  • Less force is needed to move an object.
  1. The best answer is: force

  2. Match the simple machines with the examples:

  • inclined plane: ramp
  • wedge: knife
  • screw: spiral staircase
  • lever: seesaw
  • wheel and axle: doorknob
  • pulley: flagpole mechanism