Vocab
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Laws
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100

Calculate the force needed to accelerate a 2,300 kg mass at 5.5 m/s2 acceleration.

F=MA

2,300kg x 5.5 m/s2=

12,650N


100

A student is pushing a 50 kilogram box across a smooth floor with a net force of 80 N. If the student wants to calculate the approximate acceleration of the box, the student should do which of the following?

A=F/M

80N/50kg= 

1.6 m/s2

100

A racecar accelerates at a rate 19 m/s each second. If the mass of the race car is 1600 kg, determine the net force acting on the car.

F=MA

1600KG x 19m/s2=

30,400N

100

Why would spiking a basketball over the net hurt more than a volleyball? 

Which will come at you with more force? 

Basketball is Bigger & Heavier so it'll come in with more force.

100

Calculate the mass of an object that is being accelerated 12 m/s2 with a force of 654 N. Round your answer to the nearest tenth.

M= F/A

654N/12m/s2=

54.5kg 

200

When a car suddenly stops, the objects in the back seat are thrown forward. This is explained by-

Inertia

200

A volleyball player spikes a volleyball over the net. The mass of the volleyball is 0.3 kg. The ball accelerates at 800 m/s2. What is the net force that accelerates the ball?

F=MA

.3kg x 800m/s2=

240N

200

The net force of a school bus taking students home accelerating at a rate of 2.0 m/s2 is 10,078 Newtons. What is the mass of the school bus in kilograms?

M=F/A

10,078N/2.0M/S2=

5,039KG 


200

The air friction acting on a baseball causes it to curve as it is pitched to the catcher. This is a result of which law? 

Law of Inertia // First Law

200

When a car suddenly stops, the objects in the back seat are thrown forward. This is explained by-

Inertia 

300

Net Force? 

total amount of force applied

300

Michael and his bike have a total mass of 78 kg. He is pushing on the pedals with a net force of 343 N. What is the acceleration of Michael and his bike?

Round to TWO decimal places.

A=F/M

343N/78kg=

4.40 m/s2

300

Which statement best supports solving for Newtons? 

Newtons=Force


Multiply mass and acceleration

300

Which of the following applies to Newton’s First Law (Law of Inertia)? 

A-not wearing a seatbelt & flying out the car

B- dinner plates stick on tablecloth when pulled 

C-Hockey puck keeps sliding on ice until it hits a wall or player

D- All of the above 

D- all of the above 

300

What are the 3 units of Newton's Laws?

Newtons (N)

Kilograms (kg)

Meters per Second squared (m/s2)

400

What does Inertia mean? 

A property continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.

400

A student is pushing a 50 kilogram box across a smooth floor with a net force of 80 N.

 If the student wants to calculate the approximate acceleration of the box, the student should use WHICH FORMULA??? 

A=F/M 

Divide force by mass

400

If the mass of an object is doubled while the net force remains constant, what happens to the acceleration  

If mass doubles, the acceleration is halved, because acceleration is inversely proportional to mass.


400

Compare the acceleration of a large truck to the acceleration of a small car if the same force was applied to each.


Sentence of difference/similarities 

Truck accelerate slower than the car

Car accelerate more than truck


400

Isaac Newton is known for his laws of motion. These laws have been most helpful to scientists — 


Fossils, rockets, trees, or medicine?

Rockets duhhhh 3rd law

500

What does a proportional mean? 

Inverse?

Proportional- equal

Inverse- opposite 

500

Solve- 

F1= 50N

F2=78N

M= 78 m/s2

A= F/M

F1+F2= 50 +78= 128N

128N/78m/s2=

1.64m/s2

500

Order of acceleration, from least to greatest, if each car was pushed with the same amount of force?

A-1500kg

B-1200kg

C-2000kg

D-1700kg 

leaset---->greatest

C

D

A
B

500

Students were testing effect of force on 2 different objects. Object 1 had a mass of 10 kg and Object 2 had a mass of 15 kg. Both objects were pushed with the same force.


What direction for both? 

Both- same direction

500

Students were testing effect of force on 2 different objects. Object 1 had a mass of 10 kg and Object 2 had a mass of 15 kg. Both objects were pushed with the same force.


Which one will go farther? Faster?

Object 1 - farther distance 

Object 1 - greater acceleration


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