A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

If the same force is applied to each of the balls pictured below, which one will have the LEAST acceleration?

Which of the following is measured in Newtons?

The upward force on an object falling through the air is _______.

The relationship among mass, force, and acceleration is explained by __________.

According to Newton's Laws, for any object, the greater the force that's applied to it, the greater its _________ will be. 

The size of the gravitational force between two objects depends on their __________.

An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut's weight on the new planet will be greater than his weight on Earth if: 

"For every action there is an equal and opposite reaction" describes which law?

Calculate the force on an object that has a mass of 20 kg and an acceleration of 5 m/s².

A 500 N force is applied to a 25 m/s² object. The mass of the object is ________. 

The ______ of an object does not change, but its ______ can, depending on location.

A student drops a feather and rock at the same time from Mrs. Roberts' window. If air resistance wasn't a factor, what should she observe?

A man weighing 800 N is standing on a chair. In order to support the man, what force is the chair exerting?

An object that is falling freely has a constant what?

When two forces on the same object are equal and opposite, these forces are called ________ forces.

What is the acceleration of the box in the picture below?

What is the weight of the box in the picture below?

As the mass of an object increases, its inertia will __________. 

What is the net force of the block below?

If the block in the picture below has an acceleration of 1 m/s², what would be the block's mass?

Which of the following best describes how a swimmer moves through the water?

An object will move at a constant velocity unless an unbalanced force acts upon it.

Push or pull one body exerts on another.

A friction-like force that opposes the motion of objects that move through the air.

The highest velocity a falling object will reach.

Tendency of an object to resist changes in motion.

The attraction any two objects have on one another.

The force of gravity on an object.

A net force acting on an object causes the object to accelerate in the direction of the net force.

Related to the amount of force needed to change an object's motion.

What is the momentum of a rock with a mass of 5 kg being thrown at a velocity of 25 m/s towards a wall?

What is the force on object with a mass of 6 kg and an acceleration of 2 m/s² ?

Which object would have the most momentum?

Which object would have the least momentum?

If an object is at rest, then there are no forces acting upon the object.

It would take an unbalanced force to cause an object to accelerate from rest

A more massive object has more inertia than a less massive object.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

What Unit do we Measure Force in?

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

Object tendency to resist change

What is another name for Newton’s 1st law?

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

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

Newton's third law states that any action will have a(n) _______ and ______ reaction

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

What force slows objects down and keeps them from moving?