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JSSC JE (ME) :QUIZ-29 || Kinematics and Dynamics of Particles and Rigid Bodies in Plane Motion
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Question 1
Banking of road prevents ________.
Question 2
It is observed that a bus is moving with a speed of 90km/hr loses it brakes. If the driver happens to carry the bus into the runaway hill, then how will the vehicle travel before it comes to a stop?
Question 3
Two pieces of steel and brass weighing 20 N and 10 N respectively fall freely under the action of gravity from a tower. For the two pieces which one of the following will be equal after falling an equal distance?
Question 4
Limiting force of friction is the
Question 5
The graph between the applied force and the friction force acting on body till limiting friction is
Question 6
Find the friction force developed in the block arrangement shown static friction=0.5, kinetic friction= 0.4
take load (P= 30 N) and weight of the block=60N
take load (P= 30 N) and weight of the block=60N
Question 7
The velocity time graph for on object is shown. The distance (in m) covered by the object is.
Question 8
Two tall buildings are 100 m apart. With what speed must a ball be thrown horizontally from the window 550 m above the ground in one building, so that it will enter a window 60 m above the ground in the other?
Question 9
A body is thrown up at an angle of 45
with a velocity of 100 m/sec so as to describe a parabola. Its vertical velocity when it hits the ground at returning time, will be
with a velocity of 100 m/sec so as to describe a parabola. Its vertical velocity when it hits the ground at returning time, will be Question 10
The shaft of a motor starts from rest and attains full speed of 1800 rpm in 10 seconds. The shaft has an angular acceleration of ________ rad/sec2.
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