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Newton's 2nd Law

Total questions: 45

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
What is a force?
a)
a push or pull
b)
hitting another object 
c)
two objects hitting each other
d)
something that only happens on the moon
2.
What is a pull?
a)
A force that moves something away from you
b)
A force that moves something toward you
3.
What is a push?
a)
A force that moves something away from you
b)
A force that moves something toward you
4.

A newton is....

a)

a measurement of the force on an object

b)

a push or a pull.

c)

an object’s resistance to a change in motion.

d)

a measurement of how much matter is in an object. a measurement of how much matter is in an object.

5.

What year was Isaac Newton born?

a)

1643

b)

1543

c)

1971

d)

1600

6.

What country was he born in?

a)

Canada

b)

England

c)

France

d)

Italy

7.

His mother wanted him to be a ....

a)

doctor

b)

teacher

c)

farmer

d)

priest

8.

What college did he go to?

a)

USC

b)

Citrus College

c)

Trinity College

d)

Harvard

9.

He created the Three Laws of....

a)

motion

b)

movement

c)

gravity

d)

texting

10.

He discovered the Law of Gravitation in

a)

1602

b)

1687

c)

1867

d)

2010

11.

Greatest scientific book that Sir Isaac Newton published.

a)

Opticks

b)

Principia

c)

Biography

d)

Reflecting telescope

12.

The reason why in 1665 Cambridge University was forced to close

a)

plague epidemic

b)

Isaac Newton left

c)

discovery of gravity

d)

Newton becoming Lucasian Professor

13.
Newton's Third Law States...
a)
Objects in motion stay in motion and objects at rest stay at rest
b)
Force is equal to mass times acceleration
c)
For each action there is an equal and opposite reaction
14.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
15.
A player throws a ball. The action force is the player impact on the ball. The reaction force is...
a)
The force of the ball impact on the player
b)
The force of the grip of the ball
c)
The celebration the player is thinking of
16.
A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...
a)
The grip of the player's hands on the ball
b)
the air resistance of the ball
c)
the force of the ball against the bat
17.
A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...
a)
Less than 1, 000 N
b)
1,000 N
c)
More than 1,000 N
18.
A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?
a)
15,000 N
b)
1,000 N
c)
10, 000 N
19.
What is the reaction force to a foot pushing down on the floor?
a)
The foot going through the floor
b)
The floor pushing back against the foot
c)
The floor breaking to the foot
20.
According to Newton's third law forces come in pairs?
a)
True
b)
False
21.
According to Newton's Third law the strength or magnitude of forces will be...
a)
smaller
b)
equal
c)
larger
22.

Balanced forces cause no acceleration.

a)

True

b)

False

23.

Unbalanced forces do not cause acceleration.

a)

False

b)

True

24.

The rate at which an object's velocity changes is called what?

a)

inertia

b)

actualization

c)

acceleration

d)

completion

25.

What can be measured by acceleration?

a)

how much an object slows down

b)

how much an object speeds up

c)

an object's change in direction

d)

all of the above

26.

Force is measured in what unit?

a)

N

b)

M/S2

c)

kg

27.

Mass is measured in what unit?

a)

kg

b)

N

c)

m/s2

28.

Acceleration is measured in

a)

N

b)

kg

c)

m/s2

29.

The mass of a large car is 2000.0 kg.  How much force would be required to accelerate the car at a rate of 6.00 m/sec2?

(a)  

30.

A force of 220 N acts upon a 5.0 kg block.  Calculate the acceleration of the object. 

(a)  

31.

A force of 50,350 N is applied to an object that accelerates at a rate of 25,000 m/sec2.  What is the mass of the object?

(a)  

32.
Newton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.
a)
M=F/A
b)
F=MA
c)
A= F/M
d)
All of the above
33.
How much force is needed to accelerate a 25kg bowling ball at 2m/s2. 
a)
50N
b)
5N
c)
12.5N
d)
100N
34.
How much force is needed to accelerate a 3kg skateboard at 5m/s2. 
a)
8N
b)
1.6N
c)
0.6N
d)
15N
35.
What do each of the letters correctly represent?
a)
Funny, Monkeys, Arrive
b)
Force, Mass, Acceleration
c)
Free, Mass, Access
d)
Force, Magnesium, Arsenic
36.

what is the correct formula for force?

a)

F=ma

b)

F=maF=\frac{m}{a}

c)

F=amF=\frac{a}{m}

d)

F=a×vF=a\times v

37.

use the triangle to solve the question.

Find the acceleration of a box having mass 10Kg when a force of 20N is applied on it.

a)

1m/s2

b)

2m/s2

c)

10m/s2

d)

5m/s2

38.

use the triangle to solve the question.

Find the force required to move a box having mass 10Kg with an acceleration of 9m/s2 .

a)

10N

b)

90N

c)

100N

d)

20N

39.

find the acceleration of the box.

a)

12m/s2 towards right

b)

12m/s2 towards left

c)

40m/s2

d)

60m/s

40.
An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?
a)
4 Kg
b)
20 Kg
c)
0.5 Kg
d)
2 Kg
41.
An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
a)
240 N
b)
24 N
c)
2.4 N
d)
0.24 N
42.
A car is 2000kg and accelerating at 20m/s2, what is the net force applied to it?
a)
40000 N
b)
100 N
c)
5 N
d)
200 N
43.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
44.
F=Ma
A force of 200 N is exerted on an object of mass 40 kg that is located on a sheet of perfectly smooth ice.Calculate the acceleration of the object. 
a)
5 m/s2
b)
8000 m/s2
c)
0.2 m/s2
d)
1.32 m/s2
45.

(a)   = mass x acceleration

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