Question : If a body moves with a constant speed in a circle:

Option 1: no work is done on it

Option 2: no force acts on it

Option 3: no acceleration is produced

Option 4: its velocity remains constant

Question : Observing the motion of objects on an inclined plane______deduced that objects move with a constant speed when no force acts on them.

Option 1: Michael Faraday

Option 2: Johannes Kepler

Option 3: Galileo

Option 4: Archimedes

Question : "Impulse" can be defined as:

Option 1: the force acting on a body for a very long time.

Option 2: the work done by a body for a short time.

Option 3: the force acting on a body for a short time.

Option 4: the temperature acting on a body for a short time.

Question : An object with constant speed:

Option 1: is not accelerated

Option 2: might be accelerated

Option 3: is always accelerated

Option 4: also has a constant velocity

Question : What is speed?

Option 1: It is the distance covered by an object in a unit of time

Option 2: It is the velocity of an object per unit time

Option 3: It is the force applied on covering a unit distance

Option 4: It is the acceleration of an object per unit time

Question : Which of the following is correct about uniform acceleration?

Option 1: An object moving on a frictionless surface can gain uniform acceleration.

Option 2: An object in free fall is an example of uniform acceleration.

Option 3: An object moving with constant speed is an example of uniform acceleration.

Option 4: The motion of a spring is an example of uniform acceleration.