Newton Laws 1
Newton Laws 2
Newton Laws 3
Extra
Momentum
100
Units of Force
Newtons
100
Units of Acceleration
m/s2
100
Units of Mass
Kg
100
Mention the two forces that act on an object at rest on the floor.
The background floor and the force of gravity
100
Type of collision referred to by the law of momentum
Elastic
200
One object pushing on another will always receive a push in return. True or false?
True
200
Letter used for units of force?
N
200
This is value for gravity (acceleration for free fall)
9.8 m/s2
200
The picture shows you how to calculate which Newton's Law of Motion?
Second Law
200
The unit of measure for Momentum
Kg x m/s
300
Find the missing words. An object at ____ remains at rest, and an object in motion remains in ____ at constant _____ and in a straight line unless acted on by an unbalanced force.
REST, MOTION, SPEED
300
This Law states that an object’s motion will not change unless an unbalanced force acts on the object.
Newton's First Law
300
F = m x a . This formula belongs to...
Newton's 2nd law
300
If two rocks with different masses are rolling down a hill, will the bigger rock, or smaller rock take more force to stop?
The bigger rock
300
If increasing the mass then the momentum... decrease or increase?
Increase
400
What is another name for the first law of motion?
Law of Inertia
400
What causes a ball that has been kicked across the ground to stop?
Friction
400
A car and a train are going the same speed. The car is easier to stop because...
Car has less mass and less inertia
400
Find the missing words. For every action in nature there is an _____ and ______ reaction.
EQUAL, OPPOSITE
400
Formula for Momentum
Momentum = Mass x Velocity
500
According to Newton’s Second Law, if the force increased but the mass remained the same, what happened to object motion?
The objects acceleration increased.
500
A ball bounces away when another ball hits it. Which law does this demonstrate?
Newton's 3rd law.
500
True or False: If something with a mass of 40 kg, is pushed with a force of 120N, the acceleration will be 3 m/s2?
True
500
How can you represent a vector instead of a force in a text?
With a letter F and an arrow above the letter
500
What is the momentum of the car if it weighed 2000 kg and was going at a speed of 15 m/s?
30,000 kg x m/s