Vocabulary
Force and motion 1
Force & Motion 2
Force & Motion 3
Speed
100
A _______ is any push or pull from one object to another.
force
100

Why might a box be difficult to push across the floor? 

The box has a lot of mass, which causes a lot of friction

100

As a rocket moves up into the sky, it is an action reaction.  Which part is the reaction?

The rocket moving into the sky. or the rocket moving up.

100

What will most likely happen if you push harder while skating in a straight line? A. You will turn B. You will stop C. You will go slower D. You will go faster

You will go faster

100
A runner traveled 6 miles in the 1st hour and 8 miles in the 2nd. Describe her motion. A. speeding up B. slowing down C. changing direction D. stays the same
Speeding Up
200
___________ is the force for of attraction between two objects
Gravity
200
Why would the flag stay in place if 2 teams were pulling in opposite directions at tug-o-war?
the forces are balanced
200

Why does a flat paper and a crumpled paper fall at different rates here on earth?

Because of air resistance

200
Jack and the chair are exerting the same amount of force. What will happen to the chair? A.It will move backward. B. It will move forward. C. It will move left. D. It will stay still.
It will stay still
200

Describe the motion of this object

Traveling at a constant speed, stopped, returned to starting point

300
_________ is a force that opposes the motion of one object moving past another.
Friction
300

You throw a baseball in space. What will occur and what law does this show?

The ball won't stop.

It is the law of inertia or first law

300

A ford focus and an 18 wheeler truck are stopped at a light.  Give them both a force of 18N, which will be harder to get moving?  What law is this?

the truck - Newton's 2nd law or F=MA

300
Which is a force that keeps the planets in orbit around the Earth? A. inertia B. gravity C. magnetism D. solar energy
Gravity
300

What information is needed to calculate speed?

Distance and Time

400

_________ is a change in position over time

Motion

400
If two different balls are kicked with the same force, which ball will go the farthest? A. ball with the smaller mass B. ball with the greater mass C. ball with the greater friction D.ball with the smaller diameter
The ball with the smaller mass
400
An object is traveling at a steady speed in a straight line. What will make it change direction A. change in the mass of the object B. change in the shape of the object C. balanced force acting on the object D. unbalanced force acting on the object
D. unbalanced force acting on the object
400

If a rocket takes off from Kennedy Space Center, which part of Newton's 3rd law is the rocket going into space?  

reaction

400

A runner ran 100 meters in 20 seconds. What was their speed?

5 m/s

500
__________ is the change in velocity over time for an object
Acceleration
500

What is the best example of a pushing force that reduces the speed of an object? A. a bat hitting a baseball B. a brake rubbing against a wheel C. a pedal turning the wheels of a bicycle D. holding onto a dog leash

a brake rubbing against a wheel

500

Darryl pushed a toy car across a floor. It went fast on the wood but slow on the carpet. Why?

 Friction increased

500

What two thing determine how big the gravitational force is between 2 objects?

 Mass and Distance

500

Describe all 4 objects motion


A. Stopped 

B. Traveling at a constant speed 

C. Accelerating 

D. Decelerating 

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