F.4 Ch. 5 Check Concept - Position and Movement

Displacement is defined as the length of the path taken by an object.

• True

• False

Speed is a scalar quantity.

• True

• False

Vector is a quantity which possesses magnitude only.

• True

• False

An object is said to be in uniform motion if its velocity is constant and non-zero.

• True

• False

The slope of a displacement-time graph gives the velocity of the object.

• True

• False

The acceleration of a car rounding a corner with constant speed is zero.

• True

• False

The acceleration of an object which is projected upwards is constant throughout its motion.

• True

• False

An object may have zero velocity but possess acceleration.

• True

• False

The velocity-time graph of a free-falling object is a straight line.

• True

• False

A heavier object falls faster than a lighter one in vacuum.

• True

• False