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question_answer1) A batsman hits a sixer and the ball touches the ground outside the cricket ground. Which of the following graph describes the variation of the cricket ball's vertical velocity v with time between the time \[{{t}_{1}}\] as it hits the bat and time \[{{t}_{2}}\]when it touches the ground [AMU (Med.) 2001]
question_answer2) The relationship between force and position is shown in the figure given (in one dimensional case). The work done by the force in displacing a body from x = 1 cm to x = 5 cm is [CPMT 1976]
question_answer3) The pointer reading v/s load graph for a spring balance is as given in the figure. The spring constant is
question_answer4) A force-time graph for a linear motion is shown in figure where the segments are circular. The linear momentum gained between zero and 8 second is [CPMT 1989]
question_answer5) Adjacent figure shows the force-displacement graph of a moving body, the work done in displacing body from \[x=0\] to \[x=35\,m\] is equal to [BHU 1997]
question_answer6) A 10kg mass moves along x-axis. Its acceleration as a function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from \[x=0\] to \[x=8\,cm\] [AMU (Med.) 2000]
question_answer7) A toy car of mass 5 kg moves up a ramp under the influence of force F plotted against displacement x. The maximum height attained is given by
question_answer8) The graph between the resistive force F acting on a body and the distance covered by the body is shown in the figure. The mass of the body is 25 kg and initial velocity is 2 m/s. When the distance covered by the body is 4m, its kinetic energy would be
question_answer9) A particle of mass 0.1 kg is subjected to a force which varies with distance as shown in fig. If it starts its journey from rest at \[x=0\], its velocity at \[x=12\,m\] is [AIIMS 1995]
question_answer10) The relation between the displacement X of an object produced by the application of the variable force F is represented by a graph shown in the figure. If the object undergoes a displacement from \[X=0.5\,m\] to \[X=2.5\,m\] the work done will be approximately equal to [CPMT 1986]
question_answer11) A particle is dropped from a height h. A constant horizontal velocity is given to the particle. Taking g to be constant everywhere, kinetic energy E of the particle w. r. t. time t is correctly shown in
question_answer12) The adjoining diagram shows the velocity versus time plot for a particle. The work done by the force on the particle is positive from
question_answer13) A particle which is constrained to move along the x-axis, is subjected to a force in the same direction which varies with the distance x of the particle from the origin as \[F(x)=-kx+a{{x}^{3}}\]. Here k and a are positive constants. For \[x\ge 0\], the functional from of the potential energy \[U(x)\] of the particle is [IIT-JEE (Screening) 2002]
question_answer14) A force \[F\]acting on an object varies with distance \[x\]as shown here. The force is in newton and \[x\] in metre. The work done by the force in moving the object from \[x=0\]to \[x=6m\] is [CBSE PMT 2005]
question_answer15) The potential energy of a system is represented in the first figure. the force acting on the system will be represented by
question_answer16) A particle, initially at rest on a frictionless horizontal surface, is acted upon by a horizontal force which is constant in size and direction. A graph is plotted between the work done (W) on the particle, against the speed of the particle, (v). If there are no other horizontal forces acting on the particle the graph would look like
question_answer17) Which of the following graphs is correct between kinetic energy (E), potential energy (U) and height (h) from the ground of the particle
question_answer18) The graph between \[\sqrt{E}\]and \[\frac{1}{p}\] is (\[E\]=kinetic energy and p = momentum)
question_answer19) The force acting on a body moving along x-axis varies with the position of the particle as shown in the fig. The body is in stable equilibrium at
question_answer20) The potential energy of a particle varies with distance x as shown in the graph. The force acting on the particle is zero at
question_answer21) Figure shows the F-x graph. Where F is the force applied and x is the distance covered by the body along a straight line path. Given that F is in newton and x in metre, what is the work done?
question_answer22) The force required to stretch a spring varies with the distance as shown in the figure. If the experiment is performed with the above spring of half length, the line OA will
question_answer23) The graph between \[E\] and v is
question_answer24) A particle of mass m moving with a velocity u makes an elastic one dimensional collision with a stationary particle of mass m establishing a contact with it for extremely small time T. Their force of contact increases from zero to F0 linearly in time \[\frac{T}{4}\], remains constant for a further time \[\frac{T}{2}\] and decreases linearly from F0 to zero in further time \[\frac{T}{4}\] as shown. The magnitude possessed by F0 is
question_answer25) A body moves from rest with a constant acceleration. Which one of the following graphs represents the variation of its kinetic energy K with the distance travelled x ?
question_answer26) The diagrams represent the potential energy U of a function of the inter-atomic distance r. Which diagram corresponds to stable molecules found in nature.
question_answer27) The relationship between the force F and position x of a body is as shown in figure. The work done in displacing the body from x = 1 m to x = 5 m will be [KCET 2005]
question_answer28) A particle is placed at the origin and a force \[F=kx\]is acting on it (where k is positive constant). If \[U(0)=0\], the graph of \[U(x)\] versus x will be (where U is the potential energy function) [IIT-JEE (Screening) 2004]
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