Forces Part 2

Forces Part 2

A detailed look at the Law's of Motion...and the forces responsible for motion!

Review: Different Types of Forces

• Contact Forces (Applied, Friction, Normal)

• Non Contact Forces (Graviational)

ACTUALLY DO THIS...LIKE ON PAPER. MY WORK ON NEXT SLIDE

ACTUALLY DO THIS...LIKE ON PAPER. MY WORK ON NEXT SLIDE

ACTUALLY DO THIS...LIKE ON PAPER. MY WORK ON NEXT SLIDE

Multiple Choice

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which law best explains this situation?

• Newton's first law

• Newton's second law

• Newton's third law

• Conservation of momentum

Multiple Choice

Which law explains why a person in a car slides to the right when going through a very sharp left turn on the highway.

• 1st Law

• 2nd Law

• 3rd Law

Multiple Choice

Which type of force(s) will cause a change in an object's motion?

• gravity

• speed

• balanced forces

• unbalanced forces

Multiple Choice

An object will always move in the direction of the _______ force.

• larger

• smaller

• equal

Multiple Choice

What pulls a ball back to earth?

• Momentum

• Gravity

• Friction

• Molecules

Multiple Choice

An object at rest will _______ if no outside forces are applied.

• stay at rest
• increase velocity
• decrease mass
• fall to the ground

Multiple Choice

A person is pushed forward into their seat belt when a car stops quickly. Which law is this?

• 1st

• 2nd

• 2 and 3

• 3rd

Multiple Choice

You hit a wall with a stick. The equal but opposite reaction is _____

• the wall pushes against you

• the stick pushes against you

• you push against the stick

• the wall pushes against the stick

Multiple Choice

This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Multiple Choice

A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.

• Law of Inertia

• Law of Acceleration

• Law of Conservation of Momentum

Multiple Choice

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Multiple Choice

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

• The Law of Inertia

• The Law of Acceleration

• The Law of Conservation of Momentum

Multiple Choice

Mass x acceleration = ?

• force

• inertia

• momentum

• velocity

Multiple Choice

When all the forces on an object are equal and opposite, & the net force is zero, that's...

• balanced forces

• unbalanced forces

• terminal velocity

• reaction forces

Multiple Choice

The force that opposes motion between two surfaces in contact with each other.

• inertia

• friction

• momentum

• gravity

Multiple Choice

Any push or pull on an object.

• force

• velocity

• inertia

• momentum

Multiple Choice

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

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

Multiple Choice

Force = Mass x Acceleration

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

Multiple Choice

"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