Newton's Law of Motion

What is Newton's first law of motion?

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force

Force equals mass times acceleration

For every action, there is an equal and opposite reaction

The rate of change of momentum of an object is directly proportional to the net force applied to it

Which of the following is an example of Newton's second law of motion?

Pushing a heavy box and observing it accelerate

A ball rolling down a hill without any external force acting on it

A car coming to a stop after applying brakes

A rocket launching into space

Which of the following is an example of Newton's third law of motion?

A person jumping off a diving board and propelling themselves upward

A ball bouncing off a wall and changing its direction

A car accelerating forward when the gas pedal is pressed

A rocket launching into space

Which of the following is an example of balanced forces?

A book resting on a table

A car moving at a constant speed on a straight road

A person pushing a heavy box and observing it accelerate

A ball rolling down a hill without any external force acting on it

What is the unit of measurement for acceleration?

Meters per second squared

Kilograms

Newton

Joules

Which of the following is an example of friction?

Rubbing your hands together to generate heat

Sliding down a water slide

A car skidding on a wet road

A ball rolling smoothly on a flat surface

Which of the following is an example of an unbalanced force?

Kicking a soccer ball and observing it move in a straight line

A car accelerating forward when the gas pedal is pressed

A person sitting on a chair

A book resting on a table

What is the unit of measurement for momentum?

Kilogram meters per second

Newton

Meter

Second

Which of the following is an example of an action-reaction pair of forces?

A person pushing against a wall and feeling the wall push back

A ball bouncing off the ground and changing its direction

A rocket launching into space

A car coming to a stop after applying brakes

Which of the following is an example of circular motion?

A car turning around a corner

A ball rolling down a hill without any external force acting on it

A person walking in a straight line

A satellite orbiting the Earth

Which of the following is an example of an external force?

Pushing a door open

Gravity pulling an object downward

Friction between two surfaces

The force of a book resting on a table

Newton's Law of Motion

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