What is a contact force?

A force exerted when an object is in contact with another object

A force that can be exerted over a distance and does not require contact in order to be exerted

The specific, identifiable source of the force acting on the system

The sum of all of the forces acting on a system

A physics student is driving to school. While making a left turn, the student notices that her physics book, which was sitting on the seat next to her, starts to slide to the right. Which of the following best explains her observation?

The frictional forces between the book and the seat were not sufficient to cause the book to turn, so the book continued its straight line motion.

The outward force of inertia was less than the inward force of the turn.

The turning force pulls objects to the outside during a turn.

The book's smaller mass meant it did not accelerate as much as the car did.

A baseball player hits a baseball with a bat. Which of the following statements about the forces involved is correct?

The force of the ball on the bat is equal in size to the force of the bat on the ball.

The force of the ball on the bat is less than the force of the bat on the ball.

The ball exerts no force on the bat, since the ball is pushed backwards.

The relative size of the force of the ball on the bat and the bat on the ball depends on the speed of the swing.

A baseball player hits a baseball with a bat. Which of the following constitutes an action/reaction pair?

The bat exerts a force on the ball, and the ball exerts a force on the bat.

The player exerts a force on the bat, and the ball exerts a force on the bat.

The bat exerts a force on the ball, and the bat exerts a force on the player.

The player exerts a force on the bat, and the bat exerts a force on the ball.

If the force acting on an object is tripled, what will happen to its acceleration, if the mass of the object is kept constant?

The acceleration will decrease by a factor of 3.

The acceleration will not change.

What is a free-body diagram?

A picture that represents an object and all of the forces that are acting on it

Everything that surrounds a system

A push or pull on an object as a result of its interaction with another object

The specific, identifiable source of the force acting on the system

Niagara Falls is a good example of

Potential energy being transformed into kinetic energy

Kinetic energy being transformed into potential energy

The law of conservation of energy states that when one form of energy is converted into another,

No energy is destroyed in the process

Energy is destroyed in the process

Energy is created in the process

When you rub your hands together on a cold day, you use friction to convert

Mechanical energy into thermal energy

Thermal energy into nuclear energy

Nuclear energy into electrical energy.

Electrical energy into radiant energy

What is a contact force?

A force exerted when an object is in contact with another object

A force that can be exerted over a distance and does not require contact in order to be exerted

The specific, identifiable source of the force acting on the system

The sum of all of the forces acting on a system

A physics student is driving to school. While making a left turn, the student notices that her physics book, which was sitting on the seat next to her, starts to slide to the right. Which of the following best explains her observation?

The frictional forces between the book and the seat were not sufficient to cause the book to turn, so the book continued its straight line motion.

The outward force of inertia was less than the inward force of the turn.

The turning force pulls objects to the outside during a turn.

The book's smaller mass meant it did not accelerate as much as the car did.

Compare the acceleration of the 1-kg object with that of the 2-kg object.

1kg object has more acceleration because it has less mass

1kg object has less acceleration because it has less mass

2kg object has more acceleration because it has more mass

2kg object has less inertia because it has more mass

Define the term inertia.

the tendency of an object to resist a change in motion, determined by mass

the amount of matter in an object

the amount of space an object takes up

The force that one surface exerts on another when the two rub against each other

The greater the mass of an object,

the easier the object starts moving.

Physics SPh4U Unit 2

Authored by Preeti Ramprasad

Physics

12th Grade

NGSS covered

Used 31+ times

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35 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the curved path that an object follows when thrown or launched near the surface of the Earth?

Terminal Velocity

Projectile Motion

Free Fall

Gravity

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The force of __________________ is a type of friction that works against the motion of falling objects.

Terminal Velocity

Gravity

Free Fall

Air Resistance

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A force is a ____________________

push or pull

motion

speed

net force

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The net force is

The force you feel when you catch a fish in a net

The force acting upward on a sky diver

the combination of all of the forces acting on an object

always unbalanced

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a car is rolling down a ramp, the force between the tires and the ramp is an example of:

Air resistance

Kinetic Friction

Static Friction

Balanced Force

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Newton's 1st Law

Newton's 2nd Law

Newton's 3rd Law

Newton's 4th Law

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Force = Mass x Acceleration

Newton's 1st Law

Newton's 2nd Law

Newton's 3rd Law

Newton's 4th Law

Tags

NGSS.HS-PS2-1

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Physics SPh4U Unit 2

What is the curved path that an object follows when thrown or launched near the surface of the Earth?

The force of __________________ is a type of friction that works against the motion of falling objects.

A force is a ____________________

The net force is

If a car is rolling down a ramp, the force between the tires and the ramp is an example of:

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

Force = Mass x Acceleration

"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

Any push or pull on an object.

FOR EVERY REACTION THERE IS AN OPPOSITE OR EQUAL REACTION:::

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