Newton Laws 1
Newton Laws 2
Newton Laws 3
Momentum 1
Momentum 2
Extra
100
What is the units of force?
Newtons
100
Units of Acceleration
m/s2
100
Units of Mass
Kg
100
Type of collision referred to by the law of momentum where objects bounce off each other.
Elastic
100
Momentum is a measure of the ________ of an object. Which term accurately completes the sentence?
a. mass
b. motion
c. force
d. weight
100
A bicycle has a momentum of 36 kg • m/s and a velocity of 4 m/s. What is the mass of the bicycle?
9 kg
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
A ball bounces away when another ball hits it. Which law does this demonstrate?
Newton's 3rd law.
200
The unit of measure for Momentum
Kg x m/s
200
A 5 kg cart moving at 10 m/s collides with a stationary 3 kg cart. After the collision, the 5 kg cart moves backward at 2 m/s. Which type of collision is depicted from the scenario?
elastic
200
The picture shows you how to calculate which Newton's Law of Motion?
Second Law
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/VELOCITY
300
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.
300
F = m x a . This formula belongs to...
Newton's 2nd law
300
A football player has a mass of 65 kg and is moving with a velocity of 5 m/s. What is the player’s momentum?
325 kg • m/s
300
What is the momentum of a 5 kg object that has a velocity of 1.2 m/s?
6.0 kg • m/s
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
400
______ is the tendency of an object to resist change in its motion.
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
400
Formula for Momentum
Momentum (p) = Mass x Velocity
400
The chart show the masses and velocities of two colliding objects that stick together after a collision.
According to the law of conservation of momentum, what is the momentum of the object after the collision?
1,500 kg · m/s
400
Find the missing words. For every action in nature there is an _____ and ______ reaction.
EQUAL, OPPOSITE
500
This Law states that an object’s motion will not change unless an unbalanced force acts on the object.
Newton's First Law
500
An object has a mass of 5 kg. What force is needed to accelerate it at 6 m/s2?
30 N
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
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
500
Two football players are running toward each other. One football player has a mass of 105 kg and is running at 8.6 m/s. The other player has a mass of 90 kg and is running at -9.0 m/s.
What is the momentum of the system after the football players collide?
93 kg · m/s
500
A car has a mass of 1,200 kg. What is its acceleration when the engine exerts a force of 600 N?
0.5 m/s2