WHICH LAW?
NEWTON NUGGETS
FABULOUS FORCES
GRAVITY, WORKING AGAINST ME
GRAB BAG
100
A baseball hit with a force of 10 N accelerates more than a bowling ball hit with a force of 10 N.
2nd Law
100
Newton’s 1st law is also known as this
Law of Inertia
100
Do balanced or unbalanced forces result in a change in motion?
Unbalanced Forces
100
This force opposes the force of gravity when objects fall through the air.
Air Resistance
100
Mass in motion is also known as…
Momentum
200
A balloon flies forward when air escapes from it.
3rd Law
200
The more ______ you have, the more inertia you will have.
mass
200
Mikaia pushes a box with a force of 10 N to the right, and Lina pushes with a force of 3 N to the left. Find the net force applied to the box.
7 N to the right
200
What is the acceleration due to gravity on Earth?
9.8 m/s2
200
If the mass of a bulldozer is 8,250 kg and it is moving at a speed of 12 m/s, how much momentum does it have?
99,000 kg*m/s2
300
A book left on the table overnight is there when you return in the morning.
1st Law
300
The law that states that an object accelerates in the same direction as the force applied to it is…
Newton's Second Law
300
Name 3 common forces that can be acting on an object.
- Gravity
- Friction
- Air Resistance
300
What two factors affect gravitational pull?
Mass and the distance between the masses
300
What common force best explains why a feather and a tennis ball do not both fall with an acceleration of 9.8 m/s2 like they should?
Air Resistance
400
You run into a friend while skating, and you both fall in opposite directions.
3rd Law
400
What would a man weigh if he has a mass of 86.7 kg?
850 N
400
Find the weight of a 7.2 kg object.
71 N
400
Ignoring air resistance and friction, what should be observed about two objects that are dropped at the same time?
They should have the same acceleration.
400
An electric bike accelerates from 8.900 m/s to 12.50 m/s in 5.000 s. If the mass of the bike and its rider is 166.0 kg, find the force on the car and the final momentum.
F = 119.5 N
pfinal = 2,075 kg*m/s
500
The bike you are riding hits a hole and stops quickly, but you fly forward over the handlebars.
1st Law
500
The force exerted on a cart is constant. On a frictionless surface, if the cart’s mass is increased, what will happen to its acceleration? Include which law supports your answer.
Decrease, because of Newton‘s 2nd law
500
Find the acceleration of the box below.
0.4 m/s2
500
The maximum speed a falling human can reach is 55 m/s. What is the name for this speed, and what two forces become balanced for this to be possible?
Terminal Velocity.
Gravity and Air Resistance.
500
What is the mass of a car that hits a deer with a force of 3,000 N if it started traveling at a speed of 50 m/s but slowed down to 25 m/s in 5 s before hitting the deer?
600 kg