Mechanical Properties of Solids — Physics STD 11 Science — Question

Can acceleration be produced without doing any work? Give example.

State the conditions when motion of a particle can be an SHM.

Are all constants dimensionless?

Percentage error in the measurement of height and radius of a cylinder are X and Y respectively. Find percentage error in the measurement of its volume. Which of the measurement height or radius need more attention?

In a number without decimal, what is the significance of zeros on the right of non-zero digits?

A satellite is orbiting around the Earth with a speed v. To make the satellite escape, what is the minimum percentage increase in its speed?

What is the shape of displacement-time graph for uniform linear motion?

What is the source of centripetal force, when an electron revolves around the nucleus?

A mass of 2kg is attached to the spring of spring constant 50Nm^–1 . The block is pulled to a distance of 5cm from its equilibrium position at x = 0 on a horizontal frictionless surface from rest at t = 0. Write the expression for its displacement at anytime t.

State the factors on which the speed of a wave travelling along a stretched ideal string depends.