Theory

Potential Gradient

(a) State the relationship between gravitational potential and gravitational field strength. [2] (b) A moon of mass $M$ and radius $R$ orbits a plane...

2021 Winter

4

Theory

Potential Gradient

(a) By reference to the definition of gravitational potential, explain why gravitational potential is a negative quantity. [2] (b) Two stars A and B ...

2016 Summer

3

Theory

Potential Gradient

An isolated spherical planet has a diameter of $6.8 \times 10^6 \text{ m}$. Its mass of $6.4 \times 10^{23} \text{ kg}$ may be assumed to be a point m...

2014 Winter

3

MCQ

CH4 - DYNAMICS

What is a reasonable estimate of the volume of an adult person?

2021 Summer

2

MCQ

CH14 - WAVES

Which combination of units could be used for expressing the power dissipated in a resistor?

2021 Summer

3

MCQ

CH4 - DYNAMICS

A force of 10 N and a force of 5 N act on an object. The angle between the forces is 150°. The resultant force on the object can be resolved i...

2021 Summer

3

MCQ

CH14 - WAVES

A signal of frequency 25 Hz is displayed on the screen of a cathode-ray oscilloscope. What is the time-base setting? 

2021 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A micrometer screw gauge is used to measure the diameter of a wire.The reading on the micrometer with the jaws closed is ($-0.05 \pm 0.02$) mm.The rea...

2021 Summer

1

MCQ

CH3 - KINEMATICS

A projectile is launched at an angle to the horizontal at time $t = 0$. It travels over horizontal ground, as shown. Air resistance is negligible. ...

2021 Summer

3

MCQ

CH3 - KINEMATICS

A train, initially at rest at a station, has a uniform acceleration of $0.20 \, \text{m} \, \text{s}^{-2}$ until it reaches a speed of $20 \, \text{m}...

2021 Summer

2

MCQ

CH4 - DYNAMICS

A rocket is fired from the Earth into space. Newton’s third law of motion describes how forces act in pairs. One of the forces of a pair is the...

2021 Summer

2

MCQ

CH4 - DYNAMICS

The graph shows how quantity $P$ varies with quantity $Q$ for a body falling vertically downwards in a uniform gravitational field with air resistance...

2021 Summer

3

MCQ

CH4 - DYNAMICS

Which quantities are conserved in an inelastic collision?

2021 Summer

1