A pendulum clock can run faster in –

Why do pendulum clocks usually lose time in summer?

The time period of a pendulum –

The linear momentum of a particle is conserved if:

A girl is swinging on a swing in sitting position. When the girl stands up, the period of the swing will :

A pair of Oxen exerts a force of 140 newton while ploughing the field. The field ploughed is 15 meter long. The work done in ploughing the length of the field is: