Forces and FBD Practice + Physics Friction

Question 1

A 4 N force upon a box is applied and it is moving at a constant speed, whats the frictional F?

Accepted Answer

4N

Question 2

Units for acceleration.

Accepted Answer

m/s2

Question 3

What is the mass of a rat that has a weight of 600 N?

Accepted Answer

60kg

Question 4

Another name for the force due to gravity.

Accepted Answer

Weight

Question 5

What happens to the force if you double the mass of an object and keep acceleration constant?

Accepted Answer

it doubles

Question 6

The diagram represents a car resting on a hill. Which vector best represents the friction?

Accepted Answer

D

Question 7

Units of mass.

Accepted Answer

Kg

Question 8

find the force of friction if an object has coefficient of .2 and is 4kg

Accepted Answer

8N

Question 9

Acceleration is

Accepted Answer

all of the above

Question 10

Gravity on the moon is 1.62m/s^2. What is the mass of a cow on the moon that weighs 8,000N?

Accepted Answer

4,938.27kg

Question 11

What is this?

Accepted Answer

mu, coefficient of friction

Question 12

An object in motion tends to stay in motion is Newtons________law

Accepted Answer

1

Question 13

A 2-kg book is pushed by a 20 N force to the left and a 10 N force to the right. What is the acceleration of the book?

Accepted Answer

5m/s2

Question 14

A 30 kilogram astronaut weighs 96 Newtons on Mars. The acceleration due to gravity on Mars

Accepted Answer

3.2m/s2

Question 15

Term for an object's resistance to a change in velocity.

Accepted Answer

Inertia

Question 16

What race has Miss Fink not completed?

Accepted Answer

Ironman

Question 17

What happens to the acceleration if you double the mass and double the force?

Accepted Answer

it stays the same

Question 18

An object in space without friction will keep moving

Accepted Answer

forever, until an outside force hits it

Question 19

A constant net force acting on an object causes the object to move with a constant

Accepted Answer

acceleration

Question 20

Units of force.

Accepted Answer

Newtons

Question 21

What equation do we use for friction?

Accepted Answer

Ff=u*Fn

Question 22

For every Force there is an equal and opposite force is Newton’s______ law

Accepted Answer

3

Question 23

15N force and a 30N force act in opposite directions. What is the net force?

Accepted Answer

15N

Question 24

If an object has a constant velocity we know Ff=

Accepted Answer

F applied

Question 25

Who is the most talkative in this class?

Accepted Answer

Michael, Landon, Josh, Cody

Question 26

Which accelerates more with the same applied force, a bowling ball or a soccer ball?

Accepted Answer

soccer ball

Question 27

Which vector best represents gravity on the diagram?

Accepted Answer

B

Question 28

The Law of inertia applies to

Accepted Answer

both moving and non moving

Question 29

The Ff in Ff=uFn is

Accepted Answer

friction

Question 30

Am I going to study tonight?

Accepted Answer

of course, YASSSS QUEEN YOU KNOW, yes

Question 31

Moo Deng or Pesto?

Accepted Answer

Moo!

Question 32

A person pushes a 10 kg car with a force of 50 N. There is a 10 N frictional force. What is the acceleration?

Accepted Answer

4m/s2

Question 33

What is the essential characteristic of an object at equilibrium?

Accepted Answer

acceleration=0, Fnet=0

Question 34

This is used to demonstrate....

Accepted Answer

inertia

Question 35

F=ma is Newtons_______law

Accepted Answer

2

Question 36

A action reaction pair requires

Accepted Answer

two objects

Forces and FBD Practice + Physics Friction

Questions 36

Forces and FBD Practice + Physics Friction

Questions 36