Forces - Free Body Diagram

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

• No forces are missing

• The normal force from the table pushing the cup up.

• The normal force form the table pushing the cup down.

• The friction force from the table pushing the cup left and right.

Tags

NGSS.HS-PS2-1

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

• The normal force is exactly 15

• The normal force is less than 15

• The normal force is more than 15

• The normal force is -10

Tags

NGSS.HS-PS2-1

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

• None

• Gravity

• Gravity and Normal

• Gravity, Normal, and Friction

• Gravity, Normal, Friction, and Applied

Tags

NGSS.HS-PS2-1

The hockey puck is moving at a velocity of 20 m/s. If the forces on the puck are in equilibrium, what will the puck's velocity be 2 seconds later?

• 0 m/s

• 1 m/s

• 2 m/s

• 10 m/s

• 20 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Which equation would accurately describe the forces on this cup of coffee?

• $F_n\ -\ F_g\ =\ 0$

• $F_n\times F_g\ =\ 0$

• $F_n-10F_g$

• $F_n-F_g\ =\ -10$

Tags

NGSS.HS-PS2-1

The forces on this chandelier are...

• Gravity

• Gravity and Normal

• Gravity and Tension

• Gravity, Tension, Friction, and Applied

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A chandelier is hanging from the ceiling. If the force of gravity on the chandelier is 120 N, the force of tension must be ...

• 0 N

• 12 N

• 60 N

• 120 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

• Forces are always balanced

• the squirrel is not accelerating

• squirrels are projectiles

• he's eating a donut

Tags

NGSS.HS-PS2-1

A squirrel sits on the ground and eats a donut. If the ground pushes up on the squirrel with a force of 11 N, The squirrel and donut together weigh ...

• less than 11 N

• Exactly 11 N

• More than 11 N

Tags

NGSS.HS-PS2-1

The car in the picture is moving at a constant velocity. What forces does the car experience?

• Gravity

• Gravity and Normal

• Gravity, Normal, and Friction

• Gravity, Normal, Friction, and Applied

Tags

NGSS.HS-PS2-1