Theory

CH6 - WORK, ENERGY & POWER

A signal is to be transmitted along a cable system of total length 125 km. The cable has an attenuation of 7 dB km$^{-1}$. Amplifiers, each having a g...

2009 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A projectile is launched at 45° to the horizontal with initial kinetic energy $E$. Assuming air resistance to be negligible, what will be the kin...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

Two trolleys are placed together on a horizontal runway with a compressed spring between them. When they are released, the 2 kg trolley moves to th...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

An electric railway locomotive has a maximum mechanical output power of 4.0 MW. Electrical power is delivered at 25 kV from overhead wires. The overal...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope ...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope ...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which term represents a physical quantity?

2022 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which two units are identical when expressed in terms of SI base units?

2022 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A value for the acceleration of free fall on Earth is given as $(10 \pm 2) \text{ m s}^{-2}$.Which statement is correct?

2022 Summer

MCQ

CH3 - KINEMATICS

Two cables are attached to a bracket and exert forces as shown. What are the magnitudes of the horizontal and vertical components of the resultant ...

2022 Summer

MCQ

CH3 - KINEMATICS

The curved line PQR is the velocity–time graph for a car starting from rest. What is the average acceleration of the car over the first 5 s?

2022 Summer

MCQ

CH3 - KINEMATICS

A ball is thrown horizontally with a speed of 10.0 \text{ ms}^{-1} above horizontal ground. The ball hits the ground after a time of 3.0 s. Air resis...

2022 Summer

MCQ

CH3 - KINEMATICS

An object is moving along the ground in a straight line at a constant speed. Which statement about the resultant force acting on the object is correct...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Water flows out of a pipe and hits a wall. When the jet of water hits the wall, it has horizontal velocity $v$ and cross-sectional area $A$. The d...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A projectile is launched at an angle above horizontal ground and travels through the air. The projectile reaches its maximum height at position X. ...

2022 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

What is a statement of the principle of conservation of momentum?

2022 Summer