HARD
AS and A Level
IMPORTANT
Earn 100

A strongman drags a stone ball from rest along a horizontal surface. He moves it in by exerting a constant force of Find the mass of the stone ball.

Important Questions on Force and Motion in One Dimension
HARD
AS and A Level
IMPORTANT
A car and driver, of total mass are moving at on a horizontal road when the driver sees roadworks ahead. She brakes, decelerating with a constant force of until arriving at the roadworks. Find the time elapsed before arriving at the roadworks.

HARD
AS and A Level
IMPORTANT
A train travelling at on a horizontal track starts decelerating before coming to rest at a platform. The brakes provide a constant resistance of Find the mass of the train.

HARD
AS and A Level
IMPORTANT
A block is being dragged along a horizontal surface by a constant horizontal force of size It covers in the first and in the next Find the mass of the block.

EASY
AS and A Level
IMPORTANT
A boat and the sailor on it have a combined mass of The boat's engine provides a constant driving force of It maintains a constant speed despite water resistance of and air resistance. Find the magnitude of the air resistance.

EASY
AS and A Level
IMPORTANT
A boy and his friends have a tug-of-war with his father. His father pulls on one end of the rope with a force of The boy and three friends each pull with equal force on the other end of the rope. The rope is in equilibrium. Find the force each child exerts on the rope.

MEDIUM
AS and A Level
IMPORTANT
A team of sailors pulls a boat over the sand to the sea. Each sailor is capable of providing a force of up to The resistance from the sand is Find the minimum number of sailors needed on the team to maintain a constant speed.

MEDIUM
AS and A Level
IMPORTANT
A cyclist and her bike have a combined mass of She exerts a driving force of and experiences air resistance of Find the acceleration of the cyclist.

MEDIUM
AS and A Level
IMPORTANT
A car of mass experiences air resistance of It accelerates at on horizontal ground. Find the driving force exerted by the engine.
