AP Physics 1 Unit 2 Dynamics Review

Select any of the following forces that would be acting on a book sliding across a desk to the right.

• Weight

• Friction

• Applied

• Normal

• Tension

Tags

NGSS.HS-PS2-1

A 5 kg object and a 10 kg object collide. Which object receives more force during the collision?

• 5kg object

• 10 kg object

• They receive the same amount of force from each other.

Tags

NGSS.HS-PS2-1

A 5 kg object and a 10 kg object collide. After the collision, which object rolls away at a faster velocity?

• 5kg object

• 10 kg object

• They both will have the same velocity after the collision.

Tags

NGSS.HS-PS2-2

Magnitudes of forces are measured in Newtons. What is a Newton equal to?

• kg

• kg*m

• kg*m/s

• kg*m/s^2

Tags

NGSS.HS-PS2-1

Assuming all frictional forces are negligible, a plausible scenario for an object represented by this FBD includes which of the following?

• A book resting on the floor.

• A ball thrown into the air.

• A sky diver with an opened parachute.

• A crane lifting a heavy cement block.

Tags

NGSS.HS-PS2-1

Is the object represented by this FBD accelerating and why?

• No, the net force acting on this object is zero.

• No, the net force acting on this object is nonzero.

• Yes, the net force acting on this object is zero

• Yes, the net force acting on this object is nonzero.

Tags

NGSS.HS-PS2-1

In which direction will this object accelerate?

• Upward

• Downward

• Leftward

• Rightward

Tags

NGSS.HS-PS2-1

Which of the following correctly ranks the magnitude of forces acting on this object?

• Fg<Fn<Ff<Fa

• Fa<Ff<Fn<Ff

• Fg = Fn <Ff< Fa

• Ff < Fg = Fn < Fa

Tags

NGSS.HS-PS2-1

If the mass of this object is 1 kg and it accelerates at a rate of 3 m/s^2 to the right, find the net force acting on this object.

• 1 N left

• 1 N right

• 3 N left

• 3 N right

Tags

NGSS.HS-PS2-1

If the mass of this object is 1 kg and it accelerates at a rate of 3 m/s^2 to the right, find the magnitude of Fa if Ff forces total 2 N.

• 1 N

• 3 N

• 5 N

• 6 N

Tags

NGSS.HS-PS2-1