4. A boy carries a load of 500 N to a distance of 100 m. The work done by him is? a. 5 N b. 50,000 Nm с. О d. 1/5 N 5. He defined work as the product of the force and displacement in the direction of the force. c. Galileo Galilei d. Gaspard Coriolis a. James Watt b. Albert Einstein 6. You push against a rock with a force of 100 N for 20 s. If the rock does not move, then how much work in Joules have you done? a. 0 с. 100 d. 2 000 b. 20
4. A boy carries a load of 500 N to a distance of 100 m. The work done by him is? a. 5 N b. 50,000 Nm с. О d. 1/5 N 5. He defined work as the product of the force and displacement in the direction of the force. c. Galileo Galilei d. Gaspard Coriolis a. James Watt b. Albert Einstein 6. You push against a rock with a force of 100 N for 20 s. If the rock does not move, then how much work in Joules have you done? a. 0 с. 100 d. 2 000 b. 20
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Transcribed Image Text:4. A boy carries a load of 500N to a distance of 100 m. The work done by him is?
а. 5 N
b. 50,000 Nm
с. О
d. 1/5 N
5. He defined work as the product of the force and displacement in the direction of the force.
c. Galileo Galilei
d. Gaspard Coriolis
a. James Watt
b. Albert Einstein
6. You push against a rock with a force of 100 N for 20 s. If the rock does not move, then how much
work in Joules have you done?
a. 0
с. 100
b. 20
d. 2 000
7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance of 500
m is
a. 0J
b. 24 J
c. 6 x 10“ J
d. 6000 J
8. How much work is done in lifting a 60 kg sack of rice to a vertical distance of 10.0 m?
a. 600 J
c. 2310 J
b. 980 J
d. 5880 J
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