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When you hold a weight of 1 kg in your hand, the force that is applied on your hand is around ……..Newton.

A man manages to balance a block of mass 2 kg by pushing it in horizontal against an erect wall. If mu= 0.25 between the wall and the block , and mu = 0.15 between the block and the hand, find the force needed to be applied by the man.

Can you find the HCF of 1.2 and 0.12? Justify your answer.

A wagon is moving along a straight railway track with a velocity of 3.2 m cdot s^(-1) . The wagon is being loaded with coal in moving condition at a rate of 540 kg. min^(-1) . How much force is to be applied to move the wagon at a constant velocity?Assume, the initial velocity of the coal at horizontal direction is zero.

Cut a right angled triangle, stick a string along its perpendicular side, as shown in fig. (i) hold the both the sides of a string with your hands and rotate it with constant speed. What fo you observe?

When you hold your breath, which of the following gas change in blood would first lead to the urge to breathe?

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe

A force is applied on one side of the fulcrum of a lever and one weight is given at the opposite end. If the force is 3 Newtons, the force arm has a length of 2.5 meter and the resistance arm has a length of 1.5 meter . What will be the weight if the lever is in equilibrium?

The area of the bottom of a water-filled bottle is 20cm^(2) . The mouth of the bottle is corked and the area of the cork is 1cm^(2) . If a force of 0.49 N is applied on the cork, then what thrust will be exerted on the bottom of the bottle?