Jist choose the correct answers. Thank you!! 10:29 A O77Untitled document1. Simple machines make workeasier by increasing what?a. The distance over which6. Which of the following would producethe most power?a. A mass of 10 kilograms lifted 10work is donemeters in 10 secondsb. The force needed to dob. A mass of 5 kilograms lifted 5meters in 10 secondsworkc. The acceleration of amassive objectd. The time required to doA mass of 5 kilograms lifted 10C.meters in 5 secondsd. A mass of 10 kilograms lifted 10meters in 5 secondswork7. Which of these is a measure of force?a. 100 joulesb. 100 meters per secondc. 100 newtons2. A kid applies a force of 70 N to a ballover 1.1 meters. How much work did hedo on the ball?a. 770 Jb. 0.7 Jd. 100 wattsc. 7.7 Jd. 77 J8. You move an 8-newton weight fivemeters in 4 seconds. How much powerhave you generated?a. 6.4 wattsb. 17 wattsc. 160 wattsd. 10 watts3. You move a 12 N box up a 6-meterramp. In order to find out how much poweryou created, what would you need toknow?a. The slope of the rampb. How long the task tookc. The mass of the box9. You do 90 joules of work in 30 seconds.How much power have you generated?d. The direction the box moveda. 120 watts4. Which of the following is a truestatement about work?b. 30 wattsC. 3 wattsd. 270 wattsa. It measures how much time ittakes to move a massive objectb. It measures how quickly an object10. A weightlifter lifts two 300 newtonacceleratesweights 1.5 meters off the ground. Howmuch work has he done?c. It measures how much effort isapplied over a certain distanced. It measures the change in ana. 1200 Jb. 660 Jobject's rate of speedc. 600 Jd. 900 J5. What does one newton exerted over adistance of one meter equal?a. One wattb. One hertzc. One voltd. One joule

1. Simple machines make work Simple mechanical work :- It makes the work done easy by reducing the…

Answered: 1. Simple machines make work easier by…

1. Simple machines make work easier by increasing what? a. The distance over which work is done b. The force needed to do work c. The acceleration of a massive object d. The time required to do work

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 67P: A person in good physical condition can put out 100 W of useful power for several hours at a...

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Question

Jist choose the correct answers. Thank you!!

10:29 A O
77
Untitled document
1. Simple machines make work
easier by increasing what?
a. The distance over which
6. Which of the following would produce
the most power?
a. A mass of 10 kilograms lifted 10
work is done
meters in 10 seconds
b. The force needed to do
b. A mass of 5 kilograms lifted 5
meters in 10 seconds
work
c. The acceleration of a
massive object
d. The time required to do
A mass of 5 kilograms lifted 10
C.
meters in 5 seconds
d. A mass of 10 kilograms lifted 10
meters in 5 seconds
work
7. Which of these is a measure of force?
a. 100 joules
b. 100 meters per second
c. 100 newtons
2. A kid applies a force of 70 N to a ball
over 1.1 meters. How much work did he
do on the ball?
a. 770 J
b. 0.7 J
d. 100 watts
c. 7.7 J
d. 77 J
8. You move an 8-newton weight five
meters in 4 seconds. How much power
have you generated?
a. 6.4 watts
b. 17 watts
c. 160 watts
d. 10 watts
3. You move a 12 N box up a 6-meter
ramp. In order to find out how much power
you created, what would you need to
know?
a. The slope of the ramp
b. How long the task took
c. The mass of the box
9. You do 90 joules of work in 30 seconds.
How much power have you generated?
d. The direction the box moved
a. 120 watts
4. Which of the following is a true
statement about work?
b. 30 watts
C. 3 watts
d. 270 watts
a. It measures how much time it
takes to move a massive object
b. It measures how quickly an object
10. A weightlifter lifts two 300 newton
accelerates
weights 1.5 meters off the ground. How
much work has he done?
c. It measures how much effort is
applied over a certain distance
d. It measures the change in an
a. 1200 J
b. 660 J
object's rate of speed
c. 600 J
d. 900 J
5. What does one newton exerted over a
distance of one meter equal?
a. One watt
b. One hertz
c. One volt
d. One joule

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