Which quantity is defined as mass per unit volume?

The angle of projection for maximum height of a projectile is:

A scalar quantity has:

If the net force on a body is zero, the body is said to be in:

The law of conservation of linear momentum applies to a system when:

The center of mass of a uniform rod lies at:

What happens to the kinetic energy of a body when its velocity is doubled?

Which principle explains why a hydraulic lift can multiply force?

The friction that opposes the start of motion between two surfaces is called:

The SI unit of pressure is:

Which type of friction is generally the smallest?