A heavy box is dropped from the roof of a small building and is traveling to the ground. Which claim about the forces acting on the box must be true?
Choose 1 answer:
A. There are no forces on the box.
B. There is no net force on the box.
C. There is a net force on the box.
D. There is not enough information.

Answers

Answer 1

Answer:

C. There is a net force on the box.

Explanation:

If the box was stationary, sitting on the roof, the correct answer choice would be A. In this scenario, the box is fallign downward, meaning that there is a net force pushing the box downward.

Answer 2

Answer:

C: there is a net force on the box


Related Questions

please help me asap!!!

Answers

500N is that already on falcons in the car park and the park is a knight

Transfer of heat through conduction can occur in which of the following?
A. Solids

B. Liquids

C. Gases

D. All of the above

Answers

Answer:d I think

Explanation:

Answer:

D:All of the above

Explanation:

Solid is the best in conduction whereas liquids and gases are poor in conduction

Hope this helps

Can someone help me with this ASAP

Answers

4. B Mantle. 5. C Solid.

Explanation:

.

Answer:           Earth's core is the very hot, very dense center of our planet. The ball-shaped core lies beneath the cool, brittle crust and the mostly-solid mantle. ... The core is found about 2,900 kilometers (1,802 miles) below Earth's surface, and has a radius of about 3,485 kilometers (2,165 miles). Earth's core is the very hot, very dense center of our planet. The ball-shaped core lies beneath the cool, brittle crust and the mostly-solid mantle. ... The core is found about 2,900 kilometers (1,802 miles) below Earth's surface, and has a radius of about 3,485 kilometers (2,165 miles).

Explanation:

In order to ride a bike up a hill with increasing speed—

the rider’s pedal force must be less than friction and the force of gravity
the rider’s pedal force must be equal to than friction and the force of gravity
the rider’s pedal force must be greater than friction and the force of gravity
It is impossible to ride up a hill with increasing speed.

Answers

Answer: the rider’s pedal force must be greater than friction and the force of gravity

Explanation:

This is because if the pedal force was less, you would go slower, and it is obviously not impossible to ride up a hill without increasing speed. But if the force was greater, your speed would increase.  

If a person attempts to read their e-mail while they are riding the bus, they are _______.
a.
Combining tasks
b.
Multitasking
c.
Sequential tasking
d.
Cleaving tasks

Answers

Answer:

A

Explanation:

Answer:

A

Explanation:

just took the test 4 mins ago

In which of the following situations will the ball have the greatest acceleration?



A golf ball with a mass of 0.045 kg is struck with a force of 1 N

A baseball with a mass of 0.142 kg is hit with a force of 5 N.

A soccer ball with a mass of 0.45 kg is kicked with a force of 20 N.

A bowling ball with a mass of 7.2 kg is thrown with a force of 60 N.

Answers

Answer:

your answer should be D hope this helps!

Explanation:

According to Newton’s second law of motion, the relationship between an object's mass (m), its acceleration (a), and the applied force (F) is F = ma. How does this law apply to the sport of bowling?

When the pins are correctly aligned, their mass and acceleration will keep the ball from going into the gutter.

When the bowling ball is rolling down the lane, the mass of the ball on the floor makes the pins become unstable, allowing the acceleration of the ball to knock down the pins.

When the bowling ball is rolled with a force, this accelerates the ball. That acceleration, when combined with the mass of the ball, produces a force that knocks down the pins

When the bowling ball hits the pins, the ball has a mass, so it will exert acceleration on the pins and knock them down.

Answers

Answer:

When the bowling ball is rolled with a force, this accelerates the ball. That acceleration, when combined with the mass of the ball, produces a force that knocks down the pins.

Explanation:

That is because you accelerate the ball with a force when you roll it, and the mass of the ball has a force that knocks down the pins.

Answer:

When the bowling ball is rolled with a force, this accelerates the ball. That acceleration, when combined with the mass of the ball, produces a force that knocks down the pins.        when the bowling ball id rolling with a force, this accelerates the ball. this is why the ball is combinding with the force of the mass of the ball.

Explanation:

HELPPPPPPP MEEEEEEEE PLEASEEEEEEEEE! How damper works and describes how you can test this solution.

Answers

Answer:

A damper is a valve or plate that prevents or manages the airflow within a duct, chimney, VAV box, air handler, or other machinery for air handling. ... In a chimney flue, to hold the wind (and birds and other animals) out and warm or cold air in a damper seals the flue.

Explanation:

Answer:

Guide to Zone Dampers for Heating & Cooling Air Duct Controls ... We explain in detail automatic duct dampers and how they work. ... clues that help accurately diagnose a problem with your heat or heating distribution system - something that might change how you want to "fix" a problem of uneven heat in the building.

What is the effect of the mass of an object on it’s friction threshold?

Answers

An object of large mass is pulled down onto a surface with a greater force than an object of low mass and, as a consequence, there is greater friction between the surface of the heavy object than between the surface and the light object.

Several objects were dropped from a balcony. Using the data below, determine which statements must be true regarding the rate of force of each falling object. Neglect (ignore) air resistance. Object Mass Diameter Height of drop Tennis Ball 0.06 kg 6.6 cm 5 m Baseball 0.15 kg 74 cm 5 m Bowling Ball 5 kg 21 cm 5 m Golf Ball 0.04 kg 4.3 cm 5 m Statement 1: All balls hit the ground at the same time Statement 2: All balls hit the ground with different forces Statement 3: The bowling ball hit the ground first and the tennis and golf ball hit the ground last Statement 4: It is not possible to tell how much force each ball hit the ground with

Answers

Answer:

statement three and statement 2

Explanation

since they are weighted different, they will have more or less force (more mass=more force), also the heavier an object, the greater its acceleration while falling.

List the events in order from OLDEST to YOUNGEST

Answers

RGBEAD

Why? Newer layers will always be on top
RGBEAD is the answer lol

Look at the image and answer the question correctly.

Answers

Answer:

B

Explanation:

Answer:

V=IR

12=I×2

I=12/2

I=6 ampere.

help pleas!!!!

The food coloring spread _______ in the hot water. *


Faster

Slower

Answers

It will spread faster in the hot water! It would spread slower in cold water

Faster

Explanation:

The food coloring travels through hot water better due to the molecules having better energy and move faster than cold water molecules.

Which of the following would most likely be an example of a mass-transit disaster?

a) an industrial accident
b) a bridge collapse
c) a hurricane with flooding
d) a nuclear power plant explosion

Answers

Answer:

i think it is c if not im sorry if im wrong

Explanation:

Science: Look at the image and answer the question correctly.

Answers

Answer:

abcdefghijklmnopqrstuvwxyz

Explanation:

now i know my abcs

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