Simple Machines and Force

What is force?

• Something that makes work easier
• Gravity
• A push or a pull
• Inertia

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NGSS.HS-PS2-1

A pencil falling to the floor is an example of the effect of what type of force?

• work
• inertia
• mass
• gravity

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What type of simple machine holds things together?

• pulley
• screw
• lever
• wedge

This simple machine is used to lift objects. What is it called?

• Pulley
• Lever
• Wheel and axel
• Wedge

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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If Bob tries to kick the soccer ball into the goal but it doesn't make it, what should he do next time?

• Use less force to kick the ball
• Use more force to kick the ball
• Use more pull to kick the ball
• Use less energy to kick the ball

Tags

NGSS.MS-PS2-2

A kitchen knife is used to cut food. A knife is an example of what type of simple machine?

• Inclined plane
• Screw
• Pulley
• Wedge

This man is lifting the rock with what kind of simple machine?

• Inclined plane
• Wedge
• Lever
• Pulley

The pivoting point of a lever is called the what?

• Wedge
• Fulcrum
• Balance
• Center poing

What is one of the simple machines used in the picture to help move dirt from one place to another?

• Wheel
• Inclined Plane
• Screw
• Wedge

Tags

NGSS.MS-PS2-2

The brakes on a bicycle are an example of what type of simple machine?

• Lever
• Wheel and Axel
• Pulley
• Screw

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2