Forces and Vectors

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.HS-PS2-1

Name the missing force...

• weight force
• normal force
• applied force
• frictional force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

This object would be moving (pick all that are correct):

• up

• down

• left

• right

Tags

NGSS.HS-PS2-1

Which diagram best shows person pushing a couch (accelerating) across the floor?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Calculate the net force acting upon the object.

• 8.5 N southeast
• 12 N southeast
• 0 N
• 17.7 N east

Tags

NGSS.HS-PS2-1

Name the missing force...

• applied force
• weight force
• lift
• normal force

Tags

NGSS.HS-PS2-1

The president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.

• 252 m/s
• 222 m/s
• 435 m/s
• 125 m/s

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

Tags

NGSS.MS-PS2-2

Two forces with magnitudes of 250 Newtons, and 200 Newtons act on an object at angles of 50° and -40° respectively. Find the direction angle of the resultant Force.

• 10°

• 90°

• 16.85°

• 11.34°

A fishing boat with a maximum speed of 3 m/s relative to the water is in a river that is flowing at 2 m/s. What is the maximum speed the boat can obtain relative to the shore? 

• 5 m/s
• 25 m/s
• 5.8 m/s
• 7 m/s