Trigonometry — Unit Circle Mock Tests

A force of 10 N acts on a body of mass 1 kg for 3 s, initially at rest. The work done by the force is:

A constant force of 100 N acts on a body of mass 10 kg initially at rest for 5 seconds. The work done by the force is:

Which of the following molecules has a non-zero dipole moment and a trigonal pyramidal geometry?

The kinetic energy of a body increases by 21%. The percentage increase in its linear momentum is:

A car of mass 1000 kg moving with a velocity of 20 m/s is brought to rest by applying brakes over a distance of 50 m. The average braking force is:

A uniform chain of length L and mass M lies on a smooth table with one-third of its length hanging over the edge. The work done to pull the hanging part onto the table is:

A body of mass 2 kg has a momentum of 6 kg m/s. Its kinetic energy is:

A car of mass 1000 kg moving with a velocity of 20 m/s is brought to rest by applying brakes. If the frictional force is 5000 N, the distance covered by the car before stopping is: