"energy cannot be created nor destroyed"

law of the eternal energy principle

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

The PE decreases while the KE increases

The PE and KE increase and decrease together

Impossible to know without knowing the mass

The PE and the KE decrease and increase together.

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

The total amount of energy is conserved

The total amount of energy is less after a reaction

The total amount of energy is more after a reaction

Need the mass of the object to determine if energy is conserved.

When something is dropped, what type of energy transfer takes place?

Gravitational Potential -> Kinetic -> Sound

Kinetic -> Gravitational Potential

What is gravitational force?

a force that attracts any object

a force that shrinks any object

a force that enlarges anyobject

What happens to Gravitational force if I double both of the masses but don't change their distance?

$$\frac{1}{4}$$ as much or 4 time smaller

Who do you agree with?

Dave: “A projectile has vertical acceleration and a constant horizontal velocity”

Anita: “A projectile’s v x changes because of gravity, and its v y remains constant.”

Barry: “Both v x and v y are constant.”

Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”

If two projectiles are launched at two different heights, 2m and 10m, which one will reach the ground first?

they both will hit the ground at the same time

Which of the following statements about the horizontal and vertical components of projectile motion is true?

The vertical component changes while the horizontal component stays the same.

Changes in the horizontal component occur only when the vertical component changes.

Both the horizontal and vertical components are always constant.

The horizontal and vertical components are dependent of each other.

Which of the following would NOT be considered a projectile?

A cannonball rolling down a slope.

A cannonball fired towards a distant castle.

A cannonball fired straight outward from a castle wall.

A cannonball after it rolls off the edge of a cliff.

Newton's 3rd Law of Motion states that __________

For every action, there is an equal and opposite reaction.

For every action there is an equal reaction.

For every action, there is a force applied on it.

For every action, acceleration will increase.

Which of the following statements is true?

Speed is a scalar | Velocity is a vector

Speed is a vector | Velocity is a scalar

Speed and velocity are the same thing.

1st Semester Exam Gen Physics

11th Grade

•

60 Qs

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1st Semester Exam Gen Physics

Quiz

•

Physics

•

11th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS2-4, HS-PS2-1, HS-PS3-1

Standards-aligned

William Johnson

Used 20+ times

FREE Resource

60 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the formula to calculate speed?

S = t/d

S = d/t

S = d x t

S = t x d

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

At 60 seconds, how far had this object traveled?

0 m

10 m

20 m

40 m

Tags

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is

6 m/s/s opposite the motion

2m/s/s in the direction of motion

8 m/s/s opposite the motion

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cheetah travels 75 m in 3 s. What is her velocity over the interval?

225 m/s

25 m/s

0.04 m/s

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the Total Energy at the bottom?

50 J

25 J

0 J

100 J

Tags

NGSS.HS-PS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the KE half way down?

50 J

25 J

0 J

100 J

Tags

NGSS.HS-PS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the GPE at the top?

50 J

25 J

0 J

100 J

Tags

NGSS.MS-PS3-2

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1st Semester Exam Gen Physics

60 questions

What is the formula to calculate speed?

At 60 seconds, how far had this object traveled?

A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is

A cheetah travels 75 m in 3 s. What is her velocity over the interval?

What is the Total Energy at the bottom?

What is the KE half way down?

What is the GPE at the top?

The ability to do work

This is the standard unit for measuring energy.

"energy cannot be created nor destroyed"

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