60a02f53cf4e686266e82f10_SS-AP-Physics-1.pdf

Which topic constitutes 25% of the AP Physics exam?

Question

Energy

Answer

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Questions in this set (68)

Which topic constitutes 25% of the AP Physics exam?

Energy

In an Atwood machine, what is the relationship between the accelerations of the two masses?

Equal

Which physics topic makes up 20% of the AP Physics exam?

Dynamics/Newton's Law

In an Atwood machine, if considered as a system, what force accelerates it?

Gravity

What percentage of the AP Physics exam is dedicated to Kinematics?

Kinematics

In an Atwood machine, what is the formula for tension (T)?

T = mg - ma

Which area of physics accounts for 16% of the AP Physics exam?

Rotational Motion

In an Atwood machine, what state is the system in if m1 = m2?

Equilibrium

What percentage does Momentum contribute to the AP Physics exam?

Momentum

According to Newton's third law, what is the formula for acceleration?

a = Fnet/m

Which topic represents 5% of the AP Physics exam?

Circular Motion/Gravitation

Which physics concept constitutes only 3% of the AP Physics exam?

Simple Harmonic Motion

What is the formula to find the velocity at the bottom of a ramp?

v = root of 2gh

What is the formula for Mk when going down a frictionless ramp?

Mk = h/x

In a position graph, what does the slope represent?

Slope

In a velocity graph, what does the slope indicate?

Acceleration

What is work?

Mechanical transfer of energy

What type of quantity is work?

Scalar quantity

In a velocity graph, what does the area under the curve represent?

Displacement

What is the formula for work?

W = Fdcos(-)

In an acceleration graph, what does the area under the line signify?

Velocity

What is the formula for acceleration?

v/t

What does positive work do to a system's mechanical energy?

Adds mechanical energy

What is the formula for velocity?

d/t

What is the formula for average velocity?

(V1+V2)/2

What does negative work do to a system's mechanical energy?

Takes mechanical energy

How much work is done when the force is perpendicular to the direction of motion?

Zero work

In projectile motion, how are horizontal and vertical time related?

Horizontal time equals vertical time

What is kinetic energy?

Energy of motion

How do you find vertical quantities in projectile motion?

Apply kinematic equations

What unit is kinetic energy measured in?

Joules (J)

What is the formula for kinetic energy?

K = 1/2mv^2

At the highest point of projectile motion, what is the equation for time?

t=-Voy/-g

When projectile motion involves an angle, what is the first step to solve it?

Break it down by horizontal and vertical components

If kinetic energy is doubled, by what factor does velocity increase?

Root 2

What equation is used to find missing horizontal quantities in projectile motion?

v=d/t

What is potential energy?

Energy an object COULD have

What is the formula for horizontal range in projectile motion?

Voy^2xsin2(-)/g

What unit is potential energy measured in?

Joules (J)

What is the formula for gravitational potential energy?

Ug = mgh

According to Newton's First Law, what will a center of mass do if no net force acts upon it?

It will remain at rest or maintain a constant velocity

What is the formula for elastic potential energy?

Us = 1/2kx^2

What is the formula for Newton's Second Law?

a=fnet/m

What happens to the total energy of an isolated system?

Constant

What does Newton's Third Law state?

Every action has an equal and opposite reaction

What is the condition for static equilibrium?

Net force is 0

In the absence of friction, what happens to mechanical energy?

Conserved

What is always required to increase or decrease total mechanical energy?

Work

For blocks on ramps, which is faster, steeper or less steep?

Steeper

What is the condition for dynamic equilibrium?

Net force is 0, constant velocity

For blocks on ramps, what do they have the same of at the end?

Same velocity

For blocks on ramps, what does steepness affect?

Time

For blocks on ramps, what does height affect?

Final velocity

In what direction does the normal force act relative to the surface?

Perpendicular

In what direction does the friction force act relative to the surface?

Parallel

What is the formula for Mk?

Mk = Ff/Fn

What does static friction do?

Oppose the applied force

What is power?

Rate at which energy changes state

What is the formula for static friction?

Fs<Ms x Fn

What type of quantity is power?

Scalar quantity

What unit is power measured in?

Watts (W)

In what direction does kinetic friction act?

Opposite the direction the object is moving

What is 1 watt equal to?

1 J/s

What is the formula for kinetic friction?

Fk=Mk x Fn

What do you get when you multiply watts by time?

Joules

What is the formula for power?

P = F x v

What is momentum?

Tendency to remain in motion

What happens to momentum?

Conserved