What is Newtons 2nd law?

gravitational potential energy = mass x gravity x height

Kinetic Energy is defined as

Energy stored due to its location

Energy stored in the bonds of molecules

Charlie Holloway is launched out of a cannon with a speed of 40 m/s at 45 degrees with respect with the ground. Which of the following is true about Charlie's acceleration at the highest point in his trajectory if air resistance is negligible?

the acceleration is straight down

the acceleration is straight up

A car slides down a hill with no friction. Which is true about the energy and momentum

the energy is conserved, but the momentum is not conserved

the energy and momentum are conserved

the energy and momentum are NOT conserved

Mr. C, there just isn't enough info to answer this!

Amount of energy possessed by an object.

What happens to the velocity of a ball as it is dropped off a cliff?

It increases at a non-uniform rate

Rushi exerts a force on 5N on Taha's hand. What is the force that Taha's hand exerts on Rushi's?

Taha's does not exert a force on Rushi's

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

The normal force is not affected by the incline

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

Which of the following is not a necessary step in the problem solving strategy?

All steps are completely necessary

Find the components of the forces

Determine or not the system is in equilibirum

The Earth pulls downward on a pingpong ball with a force of 1N. If this is the "action" force, what is the "reaction" force?

The ping pong ball exerts a force of 1 N on the Earth

The ground exerts a force of 1N on the ping pong ball

The ping pong ball pushes down on the earth with a force of 1N

The is no reaction force when a gravitational force is involved

Given the FBD, which of the following must be true?

The box must be moving to the right.

The frictional force must be accelerating the system to the left.

The box must be accelerating to the right.

The FBD is incorrectly drawn. This situation isn't possible

Which of the following is true about the system shown?

The tension between m 2 and m 1 is less than the tension between m 2 and m 3

The system is not accelerating.

The acceleration of the system only depends on m 3

None of the other answers are true

A uniform rope of weight 10 N is attached to a hook as shown below. A box of weight 50 N is attached to the rope. What is the tension in the rope?

It varies from 60 N at the top to 50N at the bottom

Newton's First Law states....

an object wants to maintain its motion

if the forces are balanced, then the velocity will change

a block will accelerate if a force acts upon it.

Which of the following is not true about the system?

T 3 is equal to the sum of the magnitudes of T 2 and T 1

T 3 is equal in magnitude to F g

The x- components of the T 1 and T 2 and equivalent but in opposite directions

Raymond is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?

The frictional force must equal the force applied by the board

The force applied by the board must be greater than the frictional force

The force applied must equal zero

There is not enough information

Which of the following objects has the most kinetic energy?

A 90 kg toddler running at 30 m/s

A 20 kg toddler running at 5 m/s

A 50 kg toddler running at 30 m/s

A 100 kg toddler running at 2 m/s

What happens to the total distance that a ball travels as it falls off the side of a cliff?

The distance increases at a nonuniform rate

The distance increases at a uniform rate

The distance decreases at a uniform rate

Which of the following is true when an object of mass m moving on a horizontal frictionless surface hits and sticks to an object of mass M > m , which is initially at rest on the surface?

The speed of the objects that are stuck together will be less than the initial speed.

The momentum of the objects that are stuck together is smaller than the initial momentum of object m .

The direction of motion of the objects that are stuck together depends on whether the hit is a head-on collision.

Two objects having the same mass travel toward each other on a flat surface each with a speed of 1.0 meter per second relative to the surface. The objects collide head-on and are reported to rebound after the collision, each with a speed of 2.0 meters per second relative to the surface. Which of the following assessments of this report is most accurate?

If potential energy was released to the objects during the collision the report could be true.

Momentum was not conserved therefore the report is false.

If the objects had different masses the report could be true.

If the surface was inclined the report could be true.

An open cart on a level surface is rolling without frictional loss through a vertical downpour of rain. As the cart rolls, an appreciable amount of rainwater accumulates in the cart. The speed of the cart will

decrease because of conservation of momentum

increase because of conservation of mechanical energy

decrease because of conservation of mechanical energy

remain the same because the raindrops are falling perpendicular to the direction of the cart's motion

AP Physics Fall Review

Authored by Victoria Vercammen

Physics

11th - 12th Grade

NGSS covered

Used 5+ times

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108 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

60 J

600 J

17 J

2.4 J

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you exert a force of 20 N to push a desk 10 m, how much work did you do to the desk?

20 N

200 N

200 J

2 J

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which has a greater momentum a semi-truck at rest or a bicycle in motion?

truck

bicycle

neither has momentum

same

Tags

NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On a graph showing distance versus time, a horizontal line represents an object that is

moving at constant speed

decreasing its speed

increasing its speed

not moving

Tags

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a speed vs. time graph, a straight line shows that acceleration is

decreasing

increasing

constatnt

zero

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you know speed and direction you know

force

acceleration

velocity

momentum

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the horizontal acceleration of a projectile?

0 m/s²

9.8 m/s²

4.9 m/s²

-9.8 m/s²

Tags

NGSS.HS-PS2-1

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AP Physics Fall Review

A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

If you exert a force of 20 N to push a desk 10 m, how much work did you do to the desk?

Which has a greater momentum a semi-truck at rest or a bicycle in motion?

On a graph showing distance versus time, a horizontal line represents an object that is

In a speed vs. time graph, a straight line shows that acceleration is

When you know speed and direction you know

What is the horizontal acceleration of a projectile?

What is Newtons 2nd law?

Kinetic Energy is defined as

two objects with mass are separated a distance of r. if the mass of one doubles, the force of gravity between them

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