You visited us 1 times! Enjoying our articles? Unlock Full Access!

Work by Multiple Forces

Multiple cons...

Question

Multiple constant forces $F_{1}, . . . . . . F_{i}$ are acting on an object of mass 'm' and produce a displacement S, with an acceleration a. Which of the following statements is true.

Work done on the object is $\sum_{i = 1}^{n}_{i} . \to S$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Work done on the object is $(\sum_{i = 1}^{n}_{i}) . \to S$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Work done on the object is $m \to a . \to S$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

If all the forces are acting in the same direction, then work done will be maximum

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
If all the forces are acting in the same direction, then work done will be maximum

Work done by multiple forces is same as the summation of all the work done by individual forces. This is also same as the dot product of net force and displacement.

Suggest Corrections

Similar questions

Multiple constant forces $F_{1}, . . . . . . F_{i}$ are acting on an object of mass 'm' and produce a displacement S, with an acceleration a. Which of the following statements is true.

Which statement is true in case of multiple forces acting on an object in the same direction?

Q. An object with a mass

10 k g

moves at a constant velocity of

10 m / s

. A constant force then acts for

4 s e c o n d

on the object and gives it a speed of

2 m / s

in opposite direction. The acceleration produced is:

Q. A force

F_{1}

on a body of 2 kg produces an acceleration of

2.5 m / m^{2}

and other force

F_{2}

acting on another body of mass 5 kg produces an acceleration of

2 m / s^{2}

. The ratio of

F_{2} / F_{1}

Q. If a net force

F

applied to an object of mass

m

will produce an acceleration of

a

, what is the mass of a second object which accelerates at

5 a

when acted upon by a net force of

2 F

Join BYJU'S Learning Program

Multiple constant forces F1,......Fi are acting on an object of mass 'm' and produce a displacement S, with an acceleration a. Which of the following statements is true.

The correct option is D If all the forces are acting in the same direction, then work done will be maximum Work done by multiple forces is same as the summation of all the work done by individual forces. This is also same as the dot product of net force and displacement.

Multiple constant forces $F_{1}, . . . . . . F_{i}$ are acting on an object of mass 'm' and produce a displacement S, with an acceleration a. Which of the following statements is true.

The correct option is D
If all the forces are acting in the same direction, then work done will be maximum

Work done by multiple forces is same as the summation of all the work done by individual forces. This is also same as the dot product of net force and displacement.