A small boy pushes a chair across a waxed floor. A friend sits down on – InterviewSolution

InterviewSolution

1.	A small boy pushes a chair across a waxed floor. A friend sits down on the chair, and the boy pushes the chair across the floor again. How does the weight of the friend on the chair affect the friction between the chair and the floor?
Answer» A small boy pushes a chair across a waxed floor. A friend sits down on the chair, and the boy pushes the chair across the floor again. How does the weight of the friend on the chair affect the friction between the chair and the floor?

Discussion

No Comment Found

Related InterviewSolutions

suppose there is a point object in front of a plane mirror. one incident ray from this point strikes mirror and reflect. Another light ray comes from some height which is above than the pointed object, strike the mirror and reflect. but when we extend first and second reflected ray it intersect at a point. will the image of the pointed object will form there. if not, why.
2.When the velocity of a relativistic charged particle increases. It's specific charge
Two concentric conducting thin spherical shells A and B having radii rA and rB(rB>rA) are charged with charges QA and −QB (|QB|>|QA|). The electric field along a line, (passing through the centre) varies with distance x from the centre as
Wet clothes dry more quickly on a warm dry day than on a cold humid day. Explain.
Write a paragraph on the birth and lifecycle of stars using figure 20.1.
Pure water is kept in a container and electricity is passed through it. The level of water in the container ____.
The phase transition in which a liquid turns into a solid is called as _______
Question 10Ultrasound has frequency of vibration(a) Between 20 and 20,000 Hz(b) Below 20 Hz(c) Above 20,000 Hz(d) Between 500 and 10,000 Hz
when one mole of monoatomic gas is mixed with one mole of triatomic gas,then the equivalent value of g for the mixture will be(vibration mode neglected)
A ball of glass bounces higher than a ball of rubber. Why so?