Laws of Motion questions
1031 published questions with worked solutions.
- A block 'A' takes 2 s to slide down a frictionless incline of 30° and length ' ', kept inside a lift going up with uniform...
- A bag is gently dropped on a conveyor belt moving at a speed of 2 m/s. The coefficient of friction between the conveyor belt and...
- One end of a massless spring of spring constant k and natural length l_ 0 is fixed while the other end is connected to a small...
- A mass of 10 kg is suspended vertically by a rope of length 5 m from the roof. A force of 30 N is applied at the middle point of...
- A balloon has mass of 10 g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 cm/s. If the balloon...
- A ball is spun with angular acceleration = 6t^ 2 - 2t, where t is in second and is in rads^ -2 . At t = 0, the ball has angular...
- A metal wire of length 0.5 m and cross-sectional area 10^ -4 m^ 2 has breaking stress 5 10^ 8 Nm^ -2 . A block of 10 kg is...
- A small block of mass 100 g is tied to a spring of spring constant 7.5 N/m and length 20 cm. The other end of spring is fixed at...
- A bullet of mass 0.1 kg moving horizontally with speed 400 ms^ -1 hits a wooden block of mass 3.9 kg kept on a horizontal rough...
- At any instant the velocity of a particle of mass 500 g is (2t i +3t^2 j )ms^ -1 . If the force acting on the particle at t = 1s...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : An electric...
- A body of mass 500 g moves along x-axis such that it's velocity varies with displacement x according to the relation v = 10 x...
- A coin placed on a rotating table just slips when it is placed at a distance of 1 cm from the centre. If the angular velocity of...
- Three forces F_1 = 10 N, F_2 = 8 N, F_3 = 6 N are acting on a particle of mass 5 kg. The forces F_2 and F_3 are applied...
- A vehicle of mass 200 kg is moving along a leveled curved road of radius 70 m with angular velocity of 0.2 rad/s. The centripetal...
- The position vector of a particle related to time t is given by r =(10t i +15t^2 j +7 k )m The direction of net force experienced...
- Given below are two statements: Statement I: An elevator can go up or down with uniform speed when its weight is balanced with...
- A spherical body of mass 2 kg starting from rest acquires a kinetic energy of 10000 J at the end of 5th second. The force acted...
- A force acts for 20 s on a body of mass 20 kg, starting from rest, after which the force ceases and then body describes 50 m in...
- An object moves at a constant speed along a circular path in a horizontal plane with centre at the origin. When the object is at...
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