10:29 A O 77 Untitled document 1. Simple machines make work easier by increasing what? 6. Which of the following would produce the most power? a. The distance over which a. A mass of 10 kilograms lifted 10 meters in 10 seconds work is done 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 work c. A mass of 5 kilograms lifted 10 meters in 5 seconds d. A mass of 10 kilograms lifted 10 meters in 5 seconds 2. A kid applies a force of 70 N to a ball 7. Which of these is a measure of force? a. 100 joules b. 100 meters per second c. 100 newtons d. 100 watts over 1.1 meters. How much work did he do on the ball? a. 770 J b. 0.7 J 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 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? b. 17 watts c. 160 watts d. 10 watts a. The slope of the ramp b. How long the task took c. The mass of the box d. The direction the box moved 9. You do 90 joules of work in 30 seconds. How much power have you generated? 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 weights 1.5 meters off the ground. How much work has he done? accelerates c. It measures how much effort is applied over a certain distance d. It measures the change in an object's rate of speed a. 1200 J b. 660 J 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
10:29 A O 77 Untitled document 1. Simple machines make work easier by increasing what? 6. Which of the following would produce the most power? a. The distance over which a. A mass of 10 kilograms lifted 10 meters in 10 seconds work is done 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 work c. A mass of 5 kilograms lifted 10 meters in 5 seconds d. A mass of 10 kilograms lifted 10 meters in 5 seconds 2. A kid applies a force of 70 N to a ball 7. Which of these is a measure of force? a. 100 joules b. 100 meters per second c. 100 newtons d. 100 watts over 1.1 meters. How much work did he do on the ball? a. 770 J b. 0.7 J 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 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? b. 17 watts c. 160 watts d. 10 watts a. The slope of the ramp b. How long the task took c. The mass of the box d. The direction the box moved 9. You do 90 joules of work in 30 seconds. How much power have you generated? 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 weights 1.5 meters off the ground. How much work has he done? accelerates c. It measures how much effort is applied over a certain distance d. It measures the change in an object's rate of speed a. 1200 J b. 660 J 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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Transcribed Image Text: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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