Module 3 - OCR A Level Physics

What motion does this velocity-time graph show?

• Constant Deceleration

• Increasing Deceleration

• Increasing Acceleration

• Decreasing Acceleration

Archimedes Principle says the Upthrust on an object equals...?

• The weight of the object

• The weight of the water displaced

• The mass of water displaced

• Mass x gravity

A mass is oscillating vertically on a spring. What types of energy does it have at the lowest point of its motion?

• Just Kinetic Energy

• Elastic Potential Energy and Gravitational Potential Energy

• Just Elastic Potential Energy

• Kinetic Energy and Elastic Potential Energy

This is a couple acting on a rigid object. What motion would we expect to occur?

• Stays Stationary

• Rotates Anticlockwise

• Moves Upwards or Downwards

• Moves Upwards or Downwards and Rotates Anticlockwise

Which of Newton's Laws are being demonstrated here?

• Newton's Third Law

• Newton's Second Law

• Newton's First and Second Laws

• All Three of Newton's Laws

In which scenario is the pressure the greatest?

• A force of 30N applied over an area of 5m²

• An object of mass 4kg with a base of area 4m²

• A box containing 6kg of books, with a base 2m by 4m

• A force of 5N applied to a four-legged table where each leg has a base of area 0.1m²

How would you best describe this material based on the Stress-Strain graph?

• Ductile

• Brittle

• Plastic (Polymeric)

• Malleable

An object falls from a tall building. When it reaches terminal velocity, which of the following are true?

• Its acceleration equals g (9.81)

• Its weight is less than the drag force

• The drag force has reached a maximum

• It will start to slow down

If three forces act on an object in equilibrium what must be true?

• The object will accelerate in the direction of the largest force

• The vector arrows for the three forces will form a closed vector triangle

• One force must be a resistive force

• The object cannot have any momentum

An object is projected at an angle. If its initial vertical velocity is 20ms^-1 what will its speed be after 1.5 seconds?

• 5ms^-1

• 19ms^-1

• 30ms^-1

• 20ms^-1