If two objects have the same volume but one has a greater mass, the one with greater mass

The kinetic friction coefficient between a cabinet and the floor is 0.3. Mass of the cabinet is 300kg. A man pushes the cabinet

podryga [215]

Answer:

Explanation:

Step one:

given data

mass m= 300kg

applied force F= 1000N

coefficient of friction μ= 0.3

Step two:

The net force Fn= applied force-friction force

Fn=F-F1

F1= limiting force

F1=μ*m*g

F1=0.3*300*9.81

F1=882.9N

the Net force= 1000-882.9

Fn=117.1N

Step three:

we know that

F=ma

Fnet=ma

a= Fnet/m

a=117.1/300

a=0.39m/s^2

7 0

3 years ago

In 2008 a tornado swept across the northern part of Lake City, Florida, damaging about 50 homes and a dozen business establishme

tankabanditka [31]

The correct option is C.
According to the safety tips that is usually released by the government, it is typically advised that during a tornado, that people should go to the interior room on the lowest base of their houses, the room should be windowless. When in this room, it is advisable that one should get under a furniture that can not be easily damage and then use one's arms to protect the head and the neck.

6 0

4 years ago

Read 2 more answers

Solar energy isn't usually used as the only power source for a reason because what

Schach [20]

There are many other renewable sources to use such as hydro power, and wind power. All of these are renewable and safe to the environment. One reason solar power may not be used is because of it's cost.

3 0

3 years ago

what would happen if a paper clip that is not a permanent magnet was brought close to the south pole of a permanent magnet?

Diano4ka-milaya [45]

Answer:

Because this pole is different from the original pole that magnetized the paperclips, the top paperclip will become demagnetized in the opposite direction and the bottom paperclip will be repelled away

8 0

4 years ago

Lien uses a spring scale to pull a block toward the right across the lab table. The scale reads 8 N. Which force should Lien con

lana66690 [7]

Answer:

<h2>Frictional force</h2>

Explanation:

For the block placed on the table, there are several force acting on the body along the horizontal and vertical axis. All this forces tends to keep the body in a state of equilibrium.The forces acting along the horizontal are the moving force (Fm) and the frictional force (Ff).

Frictional force are forces that acts opposite to the force that causes the body to move (moving force).

If Lien uses a spring scale to pull a block toward the right across the lab table and the scale reads 8 N, this means that the force that causes the body to move is the 8N force (moving force).

Taking the sum of force along the horizontal;

$\sum fx = ma_x$

Since the body is static, max = 0

$\sum fx = 0\\fm+(-Ff)= 0$

Note that the frictional force acts is the force of opposition acting in the negative x direction.

$fm = 0+Ff\\fm = Ff$

Since Fm = 8N, Ff will also be equal to 8N.

Based on the above proof, Lien can also conclude that 8 N is a frictional force

6 0

3 years ago