Forces and Motion

Big Ideas: More info...

  • Objects interact with each other (by contact or at a distance) - giving rise to pairs of forces. 
  • A force acting on an object causes its velocity to change; without a net force, its velocity is constant.

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Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Accelerating kilogram masses

Demonstration or Class practical: This activity demonstrates that inertia depends on mass and not on any other interpretation...

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Calibrate a forcemeter by pulling a student

Demonstration: You can use the formula F = _ma_ to calibrate a forcemeter without using gravity.

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Calibrate a forcemeter by pulling a trolley

Demonstration: You can use the formula F = ma to calibrate a forcemeter without using gravity. It is difficult to do with...

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Investigating Newton's second law of motion

Demonstration: A trolley experiences an acceleration when an external force is applied to it. The aim of this datalogging...

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Large trolley investigations of acceleration

Demonstration: This provides an active way to vary measurement of distances, velocities and acceleration.

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Relationships between acceleration, force and ma...

This detailed experiment involves measurement of acceleration.

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

The effects of force and mass on motion

Class practical: Students can quickly see that force and mass have opposite effects on acceleration.

Practical Activity 14-16

Newton's Second Law
Forces and Motion PRACTICAL PHYISCS

Discussion leading to Newton's second law

Students will have discovered that: a constant force accelerates a given mass with constant acceleration; doubling the force...

Teaching Guidance 14-16

Newton's Second Law
Forces and Motion Supporting Physics Teaching

Trolley forces

The purpose of this activity is to involve pupils in discussion about resultant forces. How will various forces affect the...

Classroom Activity 11-14

Newton's Second Law
Forces and Motion Supporting Physics Teaching

Newton's second law and momentum

Throw a tennis ball harder and it leaves your hand faster. No surprise there–we're just describing an everyday occurrence in...

Physics Narrative 14-16

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