1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
AleksAgata [21]
3 years ago
15

To pull a 53 kg crate across a horizontal frictionless floor, a worker applies a force of 180 N, directed 35° above the horizont

al. As the crate moves 2.9 m, what work is done on the crate by (a) the worker's force, (b) the gravitational force on the crate, and (c) the normal force on the crate from the floor? (d) What is the total work done on the crate?
Physics
1 answer:
Lorico [155]3 years ago
3 0

Answer

given,

mass of the crate  = 53 Kg

force applied by the worker = 180 N

Angle made with the horizontal = 35°

crate moves = 2.9 m

a) The work done equals the force in the direction of the displacement, times the displacement

W = F_x ×d

W = 180 cos 35° × 2.9

W = 427.6 J

b) A force that is perpendicular to the direction of the displacement does not do any work so work done by gravitational force is zero

c) Similarly for the normal force the work done will be zero.

d) Total work done by the crate is equal to 427.6 J

You might be interested in
How do nerves tie the other parts of the nervous system together?
Svetradugi [14.3K]
They do it by followinng the centeral nervous system
5 0
3 years ago
A tiny boat is floating in a metal bucket. If you build a fire under the bucket ,how will most of the heat be transferred from t
Dimas [21]
The molecules will heat up and move faster, some evaporating and turning to gas, the toy boat will heat up if made of conducting materials but otherwise unchanged. The water will also start to boil.
7 0
3 years ago
Consider an ideal spring, with spring constant k, which is oriented along an x-axis. one end of the spring is fixed, and the fre
Blizzard [7]
The spring is neither stretched nor compressed. an object having a mass m is attached to the free end of the spring. consider an action
5 0
3 years ago
PLEASE HELP QUICKLY THANKS
Dmitriy789 [7]

Answer: the answer is d

Explanation:

7 0
3 years ago
I need help with 5 please and thank you
Likurg_2 [28]

Answer: A

Explanation:

7 0
3 years ago
Other questions:
  • A radiographer stands six feet from the x-ray source when performing a portable chest exam and receives an exposure of 2 mGy. If
    9·2 answers
  • How is constant acceleration indicated on a motion map? by vectors that slowly increase in length by vectors that are all the sa
    6·1 answer
  • RIGHT ANSWER GETS BRAINLIEST+FIVE STARS!
    5·2 answers
  • 3. A model rocket is launched straight upward at 58.8 m/s.
    11·1 answer
  • if you went to the doctor 3 weeks ago && youre going back, will they have to measure your height and weigh you again?
    5·2 answers
  • A ball is thrown vertically upward with a speed of 25.1 m/s. How high does it rise? The acceleration due to gravity is 9.8 m/s2
    6·1 answer
  • An 80kg parachutist jumps out of an airplane. Neglecting air friction, how fast will he be going after a 10 second free fall?
    15·1 answer
  • The term 'balanced diet' best means a person is getting which of the following? O A fewer nutrients and vitamins than it needs.
    13·2 answers
  • What is the relationship between the current passes through the
    8·1 answer
  • The position of a particle moving in the xy plane is given by the parametric equations x(t)=t^3-3t^2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!