When will the work done by the certifying force be negative ?

When will the work done by the certifying force be negative ?
by

1 Answer

Answer :

As a result of the action, when you go to the front, you will come back to the opposite side. This is the field of spring. Pulling the spring forward will release it in the opposite direction.
by

Related questions

What must all vouchers certified for payment by a Certifying Officer be .?

Description : What must all vouchers certified for payment by a Certifying Officer be .?

Last Answer : Need answer

When it is not necessary to call certifying writer of the document to prove the document? a) When the document is not a will b) When the document is 30 year old c) Both the A and B d) Neither A nor B

Description : When it is not necessary to call certifying writer of the document to prove the  document? a) When the document is not a will b) When the document is 30 year old c) Both the A and B d) Neither A nor B

Last Answer : c) Both the A and B

Who has the final responsibility of sentencing and accepting a weld on completion? a) The contractor’s inspector b) Site manager c) The welder d) The client’s inspector or certifying authority

Description : Who has the final responsibility of sentencing and accepting a weld on completion? a) The contractor’s inspector b) Site manager c) The welder d) The client’s inspector or certifying authority

Last Answer : d) The client’s inspector or certifying authority

The work done by a friction force is: w) always positive x) always negative y) always zero z) either positive or negative depending upon the situation.

Description : The work done by a friction force is: w) always positive x) always negative y) always zero z) either positive or negative depending upon the situation. 

Last Answer : ANSWER: X -- ALWAYS NEGATIVE

In case of negative work the angle between the force and displacement is -Physics

Description : In case of negative work the angle between the force and displacement is -Physics

Last Answer : 180° is the correct answer

Can power be negative if the work done is negative? -Physics

Description : Can power be negative if the work done is negative? -Physics

Last Answer : Negative power in this context would mean the same thing as negative work: negative work means that the system - in this case, the block - is having mechanical energy stolen from it, just as positive work means it's acquiring energy.

Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Description : Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Last Answer : (3) It is a vector quantity Explanation: Vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

Speed is unchanged because work done on an object is A. zero B. positive C. negative D. infinite

Description : Speed is unchanged because work done on an object is A. zero B. positive C. negative D. infinite

Last Answer : zero

Work done in case of free expansion is (A) Indeterminate (B) Zero (C) Negative (D) None of these

Description : Work done in case of free expansion is (A) Indeterminate (B) Zero (C) Negative (D) None of these

Last Answer : (B) Zero

Which of the following is the work done for a closed reversible isometric system?  a. negative  b. positive  c. zero  d. undefined

Description : Which of the following is the work done for a closed reversible isometric system?  a. negative  b. positive  c. zero  d. undefined

Last Answer : zero

What is the value of the work done for a closed, reversible isometric system?  a. zero  b. positive  c. negative  d. positive or negative

Description : What is the value of the work done for a closed, reversible isometric system?  a. zero  b. positive  c. negative  d. positive or negative

Last Answer : zero

What is the value of the work done for a closed, reversible isometric system?  A. Zero  B. Positive  C. Negative  D. Positive or negative

Description : What is the value of the work done for a closed, reversible isometric system?  A. Zero  B. Positive  C. Negative  D. Positive or negative

Last Answer : Zero