menu
bartleby
search
close search
Hit Return to see all results

PowerCalculate the force needed to lift a barbell 2.2m in 2.0s if the power used was 550W. (answer: 500N) show work

Question

Power

Calculate the force needed to lift a barbell 2.2m in 2.0s if the power used was 550W. (answer: 500N) show work

check_circleAnswer
Step 1

Given,

Power, P 500 w
Displacement, d 2.2 m
Time,t 2 sec
help_outline

Image Transcriptionclose

Power, P 500 w Displacement, d 2.2 m Time,t 2 sec

fullscreen
Step 2

Following formulas will be required to solve the given problem,

Power Work
Тime
Work Forcex Displacement
Power Forcex Displacement
Тime
help_outline

Image Transcriptionclose

Power Work Тime Work Forcex Displacement Power Forcex Displacement Тime

fullscreen
Step 3

By substituting the ...

550 Forcex22
2
Force = 50x2
2.2
500 N
Work Forcex Displacement
Work 500 x 2.2 1100 J
help_outline

Image Transcriptionclose

550 Forcex22 2 Force = 50x2 2.2 500 N Work Forcex Displacement Work 500 x 2.2 1100 J

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in

Science

Physics

Work,Power and Energy

Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add

Sorry about that. What wasn’t helpful?