PHYSICS – Forces 1
, LEARNING OBJECTIVES
1.5.1 Effects of forces Supplement
Core • State Hooke’s Law and recall and
• Recognise that a force may use the expression F = k x, where k is
produce a change in size and shape the spring constant
of a body • Recognise the significance of the
• Plot and interpret extension-load ‘limit of proportionality’ for an
graphs and describe the associated extension-load graph
experimental procedure • Recall and use the relation between
• Describe the ways in which a force force, mass and acceleration
may change the motion of a body (including the direction), F = ma
• Find the resultant of two or more • Describe qualitatively motion in a
forces acting along the same line circular path due to a perpendicular
• Recognise that if there is no force
resultant force on a body it either
remains at rest or continues at
constant speed in a straight line
• Understand friction as the force
between two surfaces which
impedes motion and results in
heating
• Recognise air resistance as a form
of friction
, LEARNING OBJECTIVES
1.5.1 Effects of forces Supplement
Core • State Hooke’s Law and recall and
• Recognise that a force may use the expression F = k x, where k is
produce a change in size and shape the spring constant
of a body • Recognise the significance of the
• Plot and interpret extension-load ‘limit of proportionality’ for an
graphs and describe the associated extension-load graph
experimental procedure • Recall and use the relation between
• Describe the ways in which a force force, mass and acceleration
may change the motion of a body (including the direction), F = ma
• Find the resultant of two or more • Describe qualitatively motion in a
forces acting along the same line circular path due to a perpendicular
• Recognise that if there is no force
resultant force on a body it either
remains at rest or continues at
constant speed in a straight line
• Understand friction as the force
between two surfaces which
impedes motion and results in
heating
• Recognise air resistance as a form
of friction
, What is a force?
A force is a “push” or a “pull”. Some common examples:
WEIGHT – pulls
things
downwards
, LEARNING OBJECTIVES
1.5.1 Effects of forces Supplement
Core • State Hooke’s Law and recall and
• Recognise that a force may use the expression F = k x, where k is
produce a change in size and shape the spring constant
of a body • Recognise the significance of the
• Plot and interpret extension-load ‘limit of proportionality’ for an
graphs and describe the associated extension-load graph
experimental procedure • Recall and use the relation between
• Describe the ways in which a force force, mass and acceleration
may change the motion of a body (including the direction), F = ma
• Find the resultant of two or more • Describe qualitatively motion in a
forces acting along the same line circular path due to a perpendicular
• Recognise that if there is no force
resultant force on a body it either
remains at rest or continues at
constant speed in a straight line
• Understand friction as the force
between two surfaces which
impedes motion and results in
heating
• Recognise air resistance as a form
of friction
, LEARNING OBJECTIVES
1.5.1 Effects of forces Supplement
Core • State Hooke’s Law and recall and
• Recognise that a force may use the expression F = k x, where k is
produce a change in size and shape the spring constant
of a body • Recognise the significance of the
• Plot and interpret extension-load ‘limit of proportionality’ for an
graphs and describe the associated extension-load graph
experimental procedure • Recall and use the relation between
• Describe the ways in which a force force, mass and acceleration
may change the motion of a body (including the direction), F = ma
• Find the resultant of two or more • Describe qualitatively motion in a
forces acting along the same line circular path due to a perpendicular
• Recognise that if there is no force
resultant force on a body it either
remains at rest or continues at
constant speed in a straight line
• Understand friction as the force
between two surfaces which
impedes motion and results in
heating
• Recognise air resistance as a form
of friction
, What is a force?
A force is a “push” or a “pull”. Some common examples:
WEIGHT – pulls
things
downwards
