1) Which of the following is a scaler quantity? a) force b) displacement c) work d) acceleration 2) The K.E. of a particle of mass 'm' & velocity 'v' is quantified by ___ a) b) c) d) 3) The resistance of an object to change its state is known as ___ a) inertia b) momentum c) friction d) impulse 4) The measure of amount of matter in the body is called ___ a) weight b) volume c) mass d) density 5) The energy stored in a stretched or compressed object is known as ___ a) gravitational potential energy b) elastic potential energy c) kinetic energy d) mechanical energy 6) A water tanker is filled upto 2/3 of its height is moving with a uniform speed. On sudden application of brakes, the water in the tanker will ___ a) move backward b) move forward c) be unaffected d) rise upwards 7) If the mass of a body is doubled & its velocity becomes half then the linear momentum of the body will ___ a) remains same b) becomes double c) becomes half d) becomes four times 8) When a car at high speed takes a sharp turn, the driver in a car tend to get thrown to the side opposite to the turn. This is due to the ___ a) inertia of time b) inertia of motion c) inertia of rest d) inertia of direction 9) A man is standing on a boat in a still water. If he walks towards the shore, then the boat will ___ a) move away from the shore b) move towards the shore c) remains stationary d) none of these 10) Which of the following is an incorrect statement? a) mass is the measure of inertia of the body b) newtons 1st law of motion is the law of inertia c) unbalanced force produces constant velocity d) newton's 3rd law talks about the direction of the force 11) The unit of work done in S.I. system is ___ a) lb-ft b) i) N-m c) ii) J d) Both i) and ii) 12) 1 J = ___ erg a) 107 b) 10-7 c) 103 d) 106 13) If the K.E. of a particle is doubled, then its momentum will ___ a) remain unchanged b) doubled c) quadrupled d) increase √2 times 14) The unit of power in S.I. system is ___ a) hp b) i) J/s c) ii) watt d) both i) and ii) 15) Work done may be ___ a) positive b) negative c) zero d) all of the these 16) A man pushes a wall and fails to displace it. He does ___ a) negative work b) positive but maximum work c) no work at all d) maximum work 17) Max. work is done when the direction of application of force & direction of displacement are ___ a) parallel b) perpendicular c) opposite d) none of these 18) When a coolie carries a load on his head & walks in the horizontal direction. He does ___ a) positive work b) negative work c) zero work d) none of these 19) An object moving in a circular orbit does ___ a) positive work b) negative work c) no work d) none of these 20) The energy stored in a wound watch spring is ___ a) kinetic energy b) potential energy c) heat energy d) chemical energy 21) Work done by forces on a system is equal to change in ___ a) kinetic energy b) potential energy c) total energy d) none of these 22) The work done does not depend upon ___ a) applied force b) displacement c) angle between force & displacement d) initial velocity of the object 23) kW.h is a unit of ___ a) Power b) Energy c) Force d) None of these 24) Electron-volt (eV) cannot be used to measure ___ a) kinetic energy b) electrical energy c) mechanical energy d) momentum 25) Which of the following is a vector physical quantity? a) work b) kinetic energy c) moment of force d) potential energy 26) The rate of doing work is called ___ a) Power b) Impulse c) Torque d) Momentum 27) The product of force and velocity is called ___ a) Impulse b) Torque c) Power d) Work 28) The work done by students in a classroom during examination is ___ a) maximum positive work b) positive but not maximum work c) no work at all d) negative work 29) The S.I. unit of energy is ___ a) joule b) erg c) newton d) dyne 30) Which of the following have same units? a) work and power b) power and energy c) work and energy d) force and energy 31) For every action there is an equal and opposite reaction is the Newton's ___ law of motion. a) First b) Second c) Third d) Zeroth 32) Which of the following is not an example of Newton's 3rd law of motion? a) walking b) swiming c) rocket propulsion d) cycling 33) According to law of conservation of momentum, total momentum before collision ___ total momentum after collision. a) is greater than b) is equal to c) is less than d) is greater than or less than 34) A bullet of mass 20 gm is fired with a muzzle velocity of 200 m/s from a gun of mass 20 kg. The recoil velocity of gun will be ___ a) 2 m/s b) 20 m/s c) 0.2 m/s d) 0.02 m/s 35) The study of motion of objects without considering the causes of motion is called ___ a) kinematics b) kinetics c) thermodynamics d) optics

1.2) Kinematics - Quiz (35 M)

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