Forces and Motion/Simple Machine Review

What is a lever?

• A rigid object or bar that pivots around a fixed point

• A simple machine that is made up of a wheel and rod

• A simple machine used to raise an object

• A simple machine used to make apple pie

What is gravity?

• Rate at which work is completed

• Force that pulls objects towards each other

• The amount of matter in an object

• Push or Pulling of an object

Which of the following objects are simple machines?

• Screw

• Lever

• Pulley

• All of them

An inclined plane is....

• A machine to raise objects

• a machine used to apply tremendous amounts of force

• a sloping surface that makes it easier to move heavy objects

• A rigid object on a bar

A force with both magnitude and direction is

• Scalar

• Vector

• Deceleration

• Acceleration

A motion time graph that shows a diagonal line shows what type of motion

• Accelerated

• Decelerated

• No Motion

• Constant Speed

A force can be described as a ______

• Push or Pull

• Toxic

• Acceleration

• Bar turning on a fixed point

Is the mass of an object affected by gravity?

• No

• Yes

• Sometimes

What are the three things forces do?

• Move, Pull, See

• Start, stop, change direction of an object

• Object, Force, Stop

• Jump, Move, Turn Around

What simple machine can be found on a flag pole?

• Wheel and Axle

• Pulley

• Wedge

• Screw