A force of 5i + j + 2k N displaced a body from a position of i + j + km to 2i + 4j + 6k m. How much work is done to displace it through this position?

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Author:Raymond A. Serway, Chris Vuille
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Chapter5: Energy
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A force of 5i + j + 2k N displaced a body from a position of i + j + km to 2i + 4j + 6k m. How much work is done to displace it through this position?
DIRECTION: CHOOSE THE CORRECT ANSWER FROM THE GIVEN ALTERNATIVIES
1. A force of 5i+j+2k N displaced a body from a position of i+ j+km to 2i + 4j+ 6k m. How much
(D)0J
(A)18J
(B)6J
(C)12J
work is done to displace it through this position?
2.Calculate the work done when a force of 2i + 5j+ 5k N acts on a body when it produces a
displacement of 2i + 4j + 6k m.
(A)54J
(B)24J
(C)50J
(D)18J
3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles
to each other. The kinetic energy of the body at the end of 10 sec is
(A)100 J
(B) 300 J
(C)50 J
(D) 125 J
4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy.
The man must run
(A) with the same speed as the horse.
(CSS) 4 times as fast as the horse.
(B) twice as fast as the horse.
(D) 16 times as fast as the horse.
5)particle A is travelling at a velocity of [ ,]m/s. It collides with particle B which has a velocity of
- 2
Im/s. The particle move torether Th
Transcribed Image Text:DIRECTION: CHOOSE THE CORRECT ANSWER FROM THE GIVEN ALTERNATIVIES 1. A force of 5i+j+2k N displaced a body from a position of i+ j+km to 2i + 4j+ 6k m. How much (D)0J (A)18J (B)6J (C)12J work is done to displace it through this position? 2.Calculate the work done when a force of 2i + 5j+ 5k N acts on a body when it produces a displacement of 2i + 4j + 6k m. (A)54J (B)24J (C)50J (D)18J 3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles to each other. The kinetic energy of the body at the end of 10 sec is (A)100 J (B) 300 J (C)50 J (D) 125 J 4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy. The man must run (A) with the same speed as the horse. (CSS) 4 times as fast as the horse. (B) twice as fast as the horse. (D) 16 times as fast as the horse. 5)particle A is travelling at a velocity of [ ,]m/s. It collides with particle B which has a velocity of - 2 Im/s. The particle move torether Th
IN 2013L.U,
III JLCONDARY SCHOOL PHYSICS HOME TAKE EXAM.
FOR G – 11.
NAME
SEC
TOTAL WEIGHT =10%
R.NO
11TH 2" SEMESTER
DIRECTION: CHOOSE THE CORRECT ANSWER FROM THE GIVEN ALTERNATIVIES
1. A force of 5i + j+ 2k N displaced a body from a position of i+ j+ k m to 2i + 4j + 6k m. How much
work is done to displace it through this position?
(A)18J
(B)6J
(C)12J
(D)0J
2.Calculate the work done when a force of 2i + 5j+ 5k N acts on a body when it produces a
displacement of 2î + 4 + 6k 1
(A)54J
(B)24J
(C)50J
(D)18J
m.
3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles
to each other. The kinetic energy of the body at the end of 10 sec is
(A)100 J
(B) 300 J
(C)50 J
(D) 125 J
4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy.
The man must run
(A) with the same speed as the horse.
(CSS) 4 times as fast as the horse.
(B) twice as fast as the horse.
(D) 16 times as fast as the horse.
particle A is travelling at a velocity of [ _,]m/s. It collides with particle B which has a velocity of
Jm/s. The particle move together. The mass of particle A is 2kg and the mass of particle B is 3kg.
Find the velocity of the combined particles after the collision
Transcribed Image Text:IN 2013L.U, III JLCONDARY SCHOOL PHYSICS HOME TAKE EXAM. FOR G – 11. NAME SEC TOTAL WEIGHT =10% R.NO 11TH 2" SEMESTER DIRECTION: CHOOSE THE CORRECT ANSWER FROM THE GIVEN ALTERNATIVIES 1. A force of 5i + j+ 2k N displaced a body from a position of i+ j+ k m to 2i + 4j + 6k m. How much work is done to displace it through this position? (A)18J (B)6J (C)12J (D)0J 2.Calculate the work done when a force of 2i + 5j+ 5k N acts on a body when it produces a displacement of 2î + 4 + 6k 1 (A)54J (B)24J (C)50J (D)18J m. 3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles to each other. The kinetic energy of the body at the end of 10 sec is (A)100 J (B) 300 J (C)50 J (D) 125 J 4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy. The man must run (A) with the same speed as the horse. (CSS) 4 times as fast as the horse. (B) twice as fast as the horse. (D) 16 times as fast as the horse. particle A is travelling at a velocity of [ _,]m/s. It collides with particle B which has a velocity of Jm/s. The particle move together. The mass of particle A is 2kg and the mass of particle B is 3kg. Find the velocity of the combined particles after the collision
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