Quiz about Quiz 1 - 10NatSci1-Physics

Question 1

Product of the mass of body and acceleration is called ____.

Accepted Answer

Force

Answer

Displacement

Answer

Load

Answer

Momentum

Question 2

When an object resists change, like a body in a turning car, it is called ____.

Accepted Answer

friction

Answer

Inertia

Answer

force

Answer

drag force

Question 3

A force that results from two objects rubbing past each other.

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Answer

Force

Question 4

What is the SI unit of force?

Accepted Answer

newton

Answer

dynes

Answer

ergs

Answer

kilogram

Question 5

An object will accelerate in the direction of the force applied to it.

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 6

You are carrying a lunch tray when you bump into the edge of a table.  Although the tray did not tip, your milk falls off of the front of the tray.

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 7

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 8

What is the net force?

Accepted Answer

35 N right

Answer

65 N left

Answer

65 N right

Answer

35 N left

Question 9

Which way is the force  moving?

Accepted Answer

it's not , it is balanced or moving at a constant

Answer

to the right

Answer

to the bottom

Answer

up

Question 10

Two students kick a soccer ball at the same time. Student A kicks the ball with a force of 80 N to the right. Student B kicks the ball with a force of 45 N to the left. Calculate the net force.

Accepted Answer

35 N right

Answer

45 N right

Answer

30 N right

Answer

35 N left

Question 11

Three dogs are pulling on a stuffed animal. Dog A pulls with a force of 150 N to the north. Dog B pulls with a force of 150 N to the south. Dog C (a much smaller dog) is pulling to the east with a force of 40 N. Which dog will win the toy?

Accepted Answer

Dog C

Answer

Dog A

Answer

Dog B

Question 12

What is the net force?

Accepted Answer

4000 N left

Answer

5000 N right

Answer

4000 N right

Answer

40 N left

Question 13

What is the magnitude (size) and direction of the net force?

Accepted Answer

1 N to the left

Answer

15 N to the left

Answer

15 N to the right

Answer

1 N to the right

Question 14

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

Accepted Answer

The cannon moving backward

Answer

The cannon moving forward

Answer

The cannonball moving forward

Answer

The cannonball moving backward

Question 15

According to Newton's second law, if you increase the force applied to an object :

Accepted Answer

it accelerates more

Answer

it doesn't move

Answer

you get more inertia

Answer

it decelerates

Question 16

A 20 kg bike accelerates at 10 m/s2.  What was the force?

Accepted Answer

200 Newtons

Answer

25 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 17

In the picture, the vehicle will move because of...

Accepted Answer

Newton's 3rd Law

Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 9th Law

Question 18

If Earth's mass was cut in half, what would happen to your mass?

Accepted Answer

nothing, mass is not affected by gravitational force

Answer

increase because gravitational force increases

Answer

decrease because gravitational force decreases

Answer

decrease because gravitational force increases

Question 19

Gravity is the force objects put on each other because of their ______.

Accepted Answer

Mass

Answer

Friendliness

Answer

Acceleration

Answer

Speed

Question 20

What is the mathematical expression of the second law of motion?

Accepted Answer

F = ma

Answer

F = m/a

Answer

F = m + a

Question 21

If a ball is in motion and you stop it completely, this represents the first law.

Accepted Answer

True

Answer

False

Question 22

Newton's first law of motion states that an object at rest will continue to stay at rest unless there is a/n ___________ acted on the object.

Accepted Answer

unbalanced force

Answer

balance force

Answer

acceleration

Answer

force

Question 23

Jennifer has a car that accelerates at 12.5m/s². If the car has a mass of 1 542 kg, how much force does the car produce?

Accepted Answer

19,275 N

Answer

17,430 N

Answer

15,002 N

Answer

14,525 N

Question 24

Identify the direction of the object based on the acting forces.

Accepted Answer

to the right

Answer

upward

Answer

downward

Answer

to the left

Answer

no movement

Question 25

A crate is dragged across an ice-covered lake. The box accelerates at 0.08 m/s² and is pulled by a 47 N force. What is the mass of the box?

Accepted Answer

587.50 kg

Answer

184.47 kg

Answer

290.320kg

Answer

489.30 kg

Question 26

Identify the effect of force applied to the object in the given situation.

Accepted Answer

It caused the object's speed to change.

Answer

It caused the object's direction to change.

Answer

It caused the object to move.

Answer

It caused the object's size to change.

Answer

It caused the object's shape to change.

Question 27

Identify the effect of force applied to the object in the given situation.

Accepted Answer

It caused the object's direction to change.

Answer

It caused the object's speed to change.

Answer

It caused the object to move.

Answer

It caused the object's size to change.

Answer

It caused the object's shape to change.

Question 28

Identify the effect of force applied to the object in the given situation.

Accepted Answer

It caused the object's size to change.

Answer

It caused the object's direction to change.

Answer

It caused the object's speed to change.

Answer

It caused the object to move.

Answer

It caused the object's shape to change.

Question 29

Identify the effect of force applied to the object in the given situation.

Accepted Answer

It caused the object's shape to change.

Answer

It caused the object's direction to change.

Answer

It caused the object's speed to change.

Answer

It caused the object to move.

Answer

It caused the object's size to change.

Question 30

Analyze the illustration and determine if it shows balanced or unbalanced forces.

Accepted Answer

unbalanced

Answer

balanced

Question 31

Analyze the illustration and determine if it shows balanced or unbalanced forces.

Accepted Answer

balanced

Answer

unbalanced

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