Physics Laws of Motion Quiz

What is the definition of energy according to the Laws of Motion?

• The ability to do work and cause movement or change in direction

• The force that opposes the motion of sliding surfaces

• The resistance encountered between two static surfaces

• The rate of doing work

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According to Newton's 1st Law of Motion, what will happen to an object in uniform motion?

• It will change direction randomly

• It will stop immediately

• It will continue moving in the same direction and speed unless acted upon by an external force

• It will increase its speed over time

What does the term 'inertia' describe?

• The ability to do work

• The property of matter by which it retains its state of rest or uniform motion along a straight line unless acted upon by an external force

• The energy lost due to friction

• The force that opposes the motion of sliding surfaces

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Which type of friction occurs between two surfaces that are not moving past each other?

• Sliding friction

• Rolling friction

• Static friction

• Fluid friction

What is sliding friction?

• The resistance encountered when one body rolls over another

• The force that opposes the motion of two surfaces sliding past each other

• The friction between two surfaces that are not moving

• The energy created by moving objects

What type of friction occurs between a rolling object and the surface it rolls on?

• Sliding friction

• Static friction

• Rolling friction

• Fluid friction

Which type of friction is experienced by an object moving in liquid or gas?

• Rolling friction

• Static friction

• Sliding friction

• Fluid friction

A force of 40 N acts upon a 2 kg block. Calculate the acceleration of the object. (a)  

• 20 m/s²
• 20 m/s
• 80 m/s²
• 80 m/s

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According to Newton’s third law of motion, the strength of a reaction force is ​ (a)   the strength of the action force.

• equal
• mass
• newton
• acceleration
• net

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Match the following

• Newton's 1st Law

• 
• Newton

• 
• Newton's 3rd Law

• N

• Newton's 2nd Law

• 

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