NEET
Yakeen NEET 3.0 (2025)
Physics
DPP: 3
Work, Energy and Power
Q1 If a body of mass 2 kg is moved in the (D) m [v2 − u2 ]
conservative field from point A to B in three
Q4 Under the action of a force, a 2 kg body moves
different paths, then work done will be
such that the position x as a function of time t is
t3
given by x = 3 , where x is in metre and t in
second. The work done by the force in the first
two seconds is
(A) 1600 J
(B) 160 J
(C) 16 J
(D) 1.6 J
Q5 A particle is moved from (0, 0) to (a, a) under a
(A) WI < WII < WIII
force F ⃗
= (3^i + 4j) from two paths. Path 1 is
(B) WI > WII > WIII
OP and path 2 is OQP. Let W1 and W2 be the
(C) WI = WII = WIII
work done by this force in these two paths. Then
(D) WI > WII = WIII
Q2 Velocity-time graph of a particle of mass 2 kg
moving in a straight line is as shown in figure.
Work done by all the forces on the particle is
(A) W1 = W2
(B) W1 = 2 W 2
(C) W2 = 2 W 1
(D) W2 = 4 W 1
(A) 400 J Q6 Which of the following statements is true for
(B) −400 J work done by conservative forces
(C) −200 J (A) It does not depend on path
(D) 200 J (B) It is equal to the difference of initial and final
potential energy function
Q3 A constant force F is applied to a body of mass
(C) It can be recovered completely
m moving with initial velocity u . If after the body
(D) All of the above
undergoes a displacement S , its velocity
becomes v, then the total work done is Q7 Which of the following statement is incorrect for
(A) m [v2 + u2 ] a conservative field ?
(B) m
2
[u2 + v2 ] (A) Workdone in going from initial to final
(C) m
2
[v2 − u2 ] position is equal to change in kinetic energy
Android App | iOS App | PW Website
Yakeen NEET 3.0 (2025)
Physics
DPP: 3
Work, Energy and Power
Q1 If a body of mass 2 kg is moved in the (D) m [v2 − u2 ]
conservative field from point A to B in three
Q4 Under the action of a force, a 2 kg body moves
different paths, then work done will be
such that the position x as a function of time t is
t3
given by x = 3 , where x is in metre and t in
second. The work done by the force in the first
two seconds is
(A) 1600 J
(B) 160 J
(C) 16 J
(D) 1.6 J
Q5 A particle is moved from (0, 0) to (a, a) under a
(A) WI < WII < WIII
force F ⃗
= (3^i + 4j) from two paths. Path 1 is
(B) WI > WII > WIII
OP and path 2 is OQP. Let W1 and W2 be the
(C) WI = WII = WIII
work done by this force in these two paths. Then
(D) WI > WII = WIII
Q2 Velocity-time graph of a particle of mass 2 kg
moving in a straight line is as shown in figure.
Work done by all the forces on the particle is
(A) W1 = W2
(B) W1 = 2 W 2
(C) W2 = 2 W 1
(D) W2 = 4 W 1
(A) 400 J Q6 Which of the following statements is true for
(B) −400 J work done by conservative forces
(C) −200 J (A) It does not depend on path
(D) 200 J (B) It is equal to the difference of initial and final
potential energy function
Q3 A constant force F is applied to a body of mass
(C) It can be recovered completely
m moving with initial velocity u . If after the body
(D) All of the above
undergoes a displacement S , its velocity
becomes v, then the total work done is Q7 Which of the following statement is incorrect for
(A) m [v2 + u2 ] a conservative field ?
(B) m
2
[u2 + v2 ] (A) Workdone in going from initial to final
(C) m
2
[v2 − u2 ] position is equal to change in kinetic energy
Android App | iOS App | PW Website
