Relative Magnitude and Direction of the Net Force on Each Object

What direction is this object moving and what is the net force? 

• 10N Right 
• 0N 
• 25N Right 
• 1N Right 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Positive is what 2 directions?

• North and South

• North and East

• South and East

• South and West

Negative is what 2 directions?

• North and South

• North and East

• South and East

• South and West

A wind exerts a force of 452 N north on a sailboat, while the water exerts 325 N of force west on the sailboat. Find the magnitude and direction of the sailboat.

• 777 N at 35.6 degrees north of west

• 643 N at 35.6 degrees west of north

• 557 N at 35.6 degrees west of north

• 471 N at 35.6 degrees west of north

Tags

NGSS.HS-PS2-1

Four forces act on a hot air balloon. The force of gravity is 4050 N down. The force applied by the heat is 5120 N upward. The force applied by a rope is 1520 N west. The force applied by the wind is 950 N east. Find the direction of the balloon.

• 28 degrees above west

• 52 degrees above west

• 62 degrees above west

• 46 degrees above east

Tags

NGSS.MS-PS2-2

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.MS-PS2-1

NGSS.MS-PS2-2

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.MS-PS2-1

NGSS.MS-PS2-2

The forces on this chandelier are...

• Gravity

• Gravity and Normal

• Gravity and Tension

• Gravity, Tension, Friction, and Applied

Tags

NGSS.MS-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.MS-PS2-2

A box is moving to the left up a ramp. Which way is the force of friction pointing?

• down the ramp to the right
• up the ramp to the left
• there is no friction
• straight up

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2