Newton's Laws
First Law
Second Law
Third Law
Speed, Mass, and Kinetic Energy
100
This Law applies to the following scenario:
A baseball moving in space will keep moving in the same direction at the same speed unless acted on by another force.
Newton's First Law.
100
This law has another name: the law of __________.
Inertia
100
Force = ________ x ____________
Mass, acceleration
100
This law states that for every action there is an __________ and ___________ reaction.
Equal, opposite
100
Which factor, mass or speed, has a larger impact on the overall kinetic energy?
Speed
200
This Law applies to the following scenario:
Two cars collide and both cars exert a force on each other, resulting in damage.
Newton's Third Law
200
Newton's First Law states that an object in motion will stay in motion (or an object at rest will stay at rest) until acted upon by a(n) ____________________.
Unbalanced force
200
What is the unit used to measure force?
Newtons (N)
200
Equal and opposite means forces of equal _______ in the opposite _______.
Magnitude/strength, direction
200
This is the equation for calculating speed.
Speed = Distance/Time
300
This Law applies to the following scenario:
A bowling ball is harder to pick up than a tennis ball.
Newton's First Law
(inertia!)
300
What has greater inertia: a 20 kg bucket of water or a 10 kg bucket of water?
20 kg bucket of water
300
What force is needed to push a 30 kg shopping cart 3 m/s2?
90 N
300
The equal and opposite reaction of a plate being pulled by gravity onto a table is...
The table pushing up on the plate.
300
This is the equation for kinetic energy.
KE = 1/2 * m * v2
400
This Law applies to the following scenario:
A bowling ball has less acceleration when thrown than a tennis ball.
Newton's Second Law
400
An object will move in the direction of an ____________ force.
Unbalanced
400
Provided the forces are equal, when the mass of an object increases, its acceleration _________.
Decreases
400
A car with a mass of 100 kg collides with equal force with a car of 200 kg. If the acceleration of the first car is 6 m/s2, what is the acceleration of the second car?
3 m/s2
400
Calculate the speed of an object that travels 40 m in 10 seconds.
4 m/s
500
This Law applies to the following scenario:
A human does not move when pushing against a wall.
Newton's Third Law
500
A block sits on a smooth surface. One person pushes the block to the left with a force of 500 N, and one person pushes the block to the right with a force of 100 N.
Does the block move?
Yes. It moves to the left.
500
In what graph is an object accelerating?
Graph 1
500
What is the equal and opposite force to the direction of motion when a car is traveling down a road?
Friction
500
Calculate the kinetic energy of an object with a mass of 10 kg moving 4 m/s
80 J