Question #111307

Note: Students will solve this section and return it to teacher for checking.

1. Centre of gravity of rectangle is ___________

(a) it's center. (b) intersection of diagonals. (c) middle point of axis

2. A couple is formed by two _____ forces.

(a) like. (b)unlike. (c) Different

3. Centre of gravity of meter rod is ________

(a) center (b) intersection of diagonal. (c) intersection of medians

4. The torque produced in a body due to couple is equal to the product of one of the

force and________

(a)Couple. (b)Force. (c) Couple arm

5.When an object is resting in smooth horizontal surface it's weight is balanced by__

(a)Torque. (b)Reactional force (c) Couple

Q2: Write difference between couple and torque?

Q3: Find moment of couple produce by force of 50 N acting on two sides of stearing

wheel having radius of 20cm.

1. Centre of gravity of rectangle is ___________

(a) it's center. (b) intersection of diagonals. (c) middle point of axis

2. A couple is formed by two _____ forces.

(a) like. (b)unlike. (c) Different

3. Centre of gravity of meter rod is ________

(a) center (b) intersection of diagonal. (c) intersection of medians

4. The torque produced in a body due to couple is equal to the product of one of the

force and________

(a)Couple. (b)Force. (c) Couple arm

5.When an object is resting in smooth horizontal surface it's weight is balanced by__

(a)Torque. (b)Reactional force (c) Couple

Q2: Write difference between couple and torque?

Q3: Find moment of couple produce by force of 50 N acting on two sides of stearing

wheel having radius of 20cm.

Expert's answer

1)B; 2)B; 3)A; 4)C; 5)B 7)"M=F\\times2r=50N\\times0.4m=20N\\times m"

6) "\\overline{M} =\\overline{r}\\times\\overline{F}" couple

"\\overline{-M'} =\\overline{r}\\times\\overline{F}torque\\\\7)M=F\\times2r=50N\\times0.4m=20N\\times m"

6)

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M.ABUBAKKAR ASHFAQ23.04.20, 20:55THIS IS A VERY HELPFUL ANSWER THANKS ALOT

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