Free Body Diagrams and F=ma

Whenever an object is moving, there is always this force opposing the motion:

• inertia

• momentum

• friction

• applied force

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

• up

• down

• left

• right

Tags

NGSS.HS-PS2-1

The down-arrow in this diagram is most-likely:

• gravity

• normal

• a push or pull

• friction

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Name the missing force...

• applied force
• weight force
• lift
• normal force

Tags

NGSS.HS-PS2-1

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

As the angle of the incline increases, what happens to the normal force?

• The normal force increases

• The normal force decreases

• The normal force is not affected by the incline

• The normal force is only dependent on the force due to gravity

Tags

NGSS.HS-PS2-1

Which of the following is true about the system shown?

• The system is not accelerating.
• The tension between m₂ and m₁ is less than the tension between m₂ and m₃
• The acceleration of the system only depends on m₃
• None of the other answers are true

Tags

NGSS.HS-PS2-1

Camille launches has a catapult that changes the velocity of a ball (m= 2 kg) from 0 to 10 m/s in one sec. What is the average force that is exerted on the ball during launch?

• 20 N

• 5 N

• 8 N

• 0.2 N

Tags

NGSS.HS-PS2-1

Which of the following statements is true about the image above?

• The accelerations of the blocks will vary according to their mass

• The net force acting on each block is the same

• The blocks will experience the same acceleration

• The 3m box will eat the 2m and the m boxes

Tags

NGSS.HS-PS2-1