Two forces each of 4 N act on the opposite sides of a rectangular plate…
Two forces each of 4 N act on the opposite sides of a rectangular plate as shown in…
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A force F is applied to a body P as shown in the diagram above….
A force F is applied to a body P as shown in the diagram above. If the body…
A plane inclined at an angle at 30o to the horizontal has an efficiency of…
A plane inclined at an angle at 30o to the horizontal has an efficiency of 50%. The force…
The diagram above represents a portion of a micrometer screw 20 gauge. What is its…
The diagram above represents a portion of a micrometer screw 20 gauge. What is its reading? A. 3.70mm…
A girl whose mass is 55kg stands on a spring – weighing machine inside a…
A girl whose mass is 55kg stands on a spring – weighing machine inside a lift. When the…
An oscillating pendulum has a velocity of 2ms-1 at the equilibrium position O and velocity…
An oscillating pendulum has a velocity of 2ms-1 at the equilibrium position O and velocity at same point…
Which of the following are contact forces? I. Force of tension II. Force of fiction,…
Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magnetic force…
Which of the following instruments is suitable for making the most accurate measurement of the…
Which of the following instruments is suitable for making the most accurate measurement of the internal diameter of…
A particle of mass 2.5 x 10-6kg revolving around the earth has a radial acceleration…
A particle of mass 2.5 x 10-6kg revolving around the earth has a radial acceleration of 4 X…
Calculate the escape velocity for a rocket fired from the earth’s surface at a point…
Calculate the escape velocity for a rocket fired from the earth’s surface at a point where the acceleration…