Force and laws of motion

What law is best described by inertia?

• 1st
• 2nd
• 3rd

The motion of an athlete moving in a circular path at constant speed is an example of

• uniform motion

• accelerated motion

• uniform circular motion

• straight line motion

More massive objects have less inertia

• True

• False

• None of these

• Mass and inertia are not related

In cricket the fielder while making a catch gradually pulls his hands backwards with moving ball. This is an application of

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• None of these

The tendency of an object to resist changes in its motion is...

• inertia
• force
• acceleration
• velocity

Law of conservation of momentum states that the sum of momenta before collision is equal to the sum of momenta after collision provided________

• there is no external unbalanced force acting on them

• there is external unbalanced force acting on them

• there maybe one external unbalanced force acting on them

• there might be an external unbalanced force acting on them

Speed plus direction:

• Inertia

• Velocity

• Acceleration

• Force

For every action, there is an equal and opposite reaction

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

Only one force can act on an object at a time.

• True

• False

This game of tug of war is an example of _________ forces.

• unbalanced

• balanced

• potential

• net zero