Friction, Gravity, and Free Body Diagrams

How many forces are on a leopard laying on a log?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What forces are on a leopard laying on a log?

• F_g & F_app

• F_s & F_g

• F_g & F_N

• F_f & F_N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What force opposes gravity when an object is on a surface?

• Applied Force

• Normal Force

• Frictional Force

• Air Resistance

What force opposes applied force when an object is sliding across a surface?

• Applied Force

• Normal Force

• Frictional Force

• Air Resistance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

How many forces are on a couch being pushed across a living room floor?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS2-2

The forces on a couch being pushed across a living room floor are?

• gravity, applied force and friction

• tension force, applied force, friction and normal force

• gravity, applied force, friction and normal force

• gravity and Normal force

Tags

NGSS.MS-PS2-2

An cell phone of mass 2 kg is sitting on a desk. How much normal force does it experience?

• -9.8 N

• + 19.6 N

• -19.6 N

• + 9.8 N

Tags

NGSS.MS-PS2-2

In physics, this may be described as the pulling force transmitted by the means of a string, cable, chain, or similar one-dimensional continuous object

• Tension

• Spring

• Friction

• Normal Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This is the support force exerted upon an object that is in contact with another stable object. For example, if you stand on a surface such as a desk, then the surface is exerting an upward force on you in order to support your weight.

• Tension

• gravity

• Friction

• Normal Force

Which freebody diagram best represents a desk being pushed across the classroom floor?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2