Which of the forces involved in dragging a heavy object on smooth, horizontal surfaces, have the same magnitude?

the horizontal applied force

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gravitational force

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reaction force in vertical direction

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force of friction

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Solution

The correct option is D force of friction
Force of friction is involved in dragging a heavy object on smooth, horizontal surface have the same magnitude. The direction of frictional force is opposite to the applied force.
The correct option is D.

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Choose one or more correct alternatives.

a. For work to be performed, energy must be ....

(i) transferred from one place to another
(ii) concentrated
(iii) transformed from one type to another
(iv) destroyed

b. Joule is the unit of ...

(i) force
(ii) work
(iii) power
(iv) energy

c. Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

(i) the horizontal applied force
(ii) gravitational force
(iii) reaction force in vertical direction
(iv) force of friction

d. Power is a measure of the .......

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(ii) amount of energy required to perform the work
(iii) The slowness with which work is performed
(iv) length of time

e. While dragging or lifting an object, negative work is done by

(i) the applied force
(ii) gravitational force

(iii) frictional force

(iv) reaction force

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Which of the forces involved in dragging a heavy object on smooth, horizontal surfaces, have the same magnitude?

The correct option is D force of frictionForce of friction is involved in dragging a heavy object on smooth, horizontal surface have the same magnitude. The direction of frictional force is opposite to the applied force.The correct option is D.

The correct option is D force of friction
Force of friction is involved in dragging a heavy object on smooth, horizontal surface have the same magnitude. The direction of frictional force is opposite to the applied force.
The correct option is D.