Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Force, Work, And Power
Test Description: Review questions!
Instructions: Answer all questions to get your test result.
1) How much work is done when a very large force is applied to an object but does not move the object?
A
none
B
a little
C
The exact amount of work and the weight of the object must be known to figure this out.
D
a lot
2) Which of these is the unit of measure for work?
A
newtons
B
watts
C
joules
D
pounds
3) What is the correct formula for work?
A
Work=force/time
B
Work= force/distance
C
Work=force*distance
D
Work=mass * acceleration
4) Which of the following is NOT an example of work?
A
a person sliding a box across the floor
B
a windmill turning in the wind
C
an air bag deploying in an automobile wrech
D
a metal bar bracing a leaning brick wall
5) Two weight lifters (Herb and Foley) wonder which one is doing the most work. Which statement is true?
A
Herb lifting 50 kg 1.5 meters does more work than Foley lifting 55 kg 1 meter.
B
Herb lifting 60 kg 1 meter does more work than Foley lifting 35 kg 2 meters.
C
Herb lifting 70 kg 0.5 meters does more work than Foley lifting 30 kg 1.5 meter.
D
Herb lifting 80 kg 2 meters does more work than Foley lifting 25 kg 1 meter 7 times.
6) What is the work done on a 34-N weight if it is lifted up 1 km?
A
34,000 J
B
34 J
C
17 J
D
0.034 J
7) A sailboat weighing 1,960 N moves at 3m/s for 10 minutes. What is the value for the work of the sails.
A
3,528,000 J
B
19,600 J
C
58,800 J
D
1,176,000 J
8) A model rocket weighing 4.9 N launches from a pad. How much work does the little rocket engine do in the first 4 meters?
A
19.6 J
B
192.08
C
0.5 J
D
1.225 J
9) A rod on a compressed spring exerts 12 N of force on a 0.05-kg steel ball. The rod pushes the ball 0.03 m. How much work does the spring do on the ball?
A
0.36 N
B
0.60 N
C
1.00 J
D
0.36 J
10) A 100 N force is applied to a plow by the horse pulling the plow. How much work does it take for the horse to pull the plow 100 meters in 5 minutes?
A
250,000 N
B
10,000 J
C
10,000 N
D
3,000,000 J
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?