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Forces
Revision and exam practice for Forces.
40
Objectives
10
Flashcards
10
Questions
90 min
Study time
OcrGcsePhysics A GatewayForces
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40 objective pages available
Measuring Distance and Time in Different Scenarios1 objectives
- Communicate the key features of the way to measure distance and time in a range of scenarios.
Measuring Distance, Time, and Calculating Speed1 objectives
- Communicate the key features of the way to measure distance and time and use these to calculate speed.
Understanding Ratios, Proportional Reasoning, and Rates in Physics1 objectives
- Develop knowledge and skill in calculations using ratios and proportional reasoning to convert units and to compute rates.
Understanding Scalar and Vector Quantities in Motion1 objectives
- Account for the vector–scalar distinction as it applies to displacement and distance, velocity and speed.
Understanding Motion with Distance-Time and Velocity-Time Graphs1 objectives
- Develop knowledge and skill in changes and differences in motion to appropriate distance-time, and velocity-time graphs; interpret lines and slopes.
Interpreting Velocity-Time Graphs: Area Under the Curve (Higher Tier)1 objectives
- Draw supported meaning from enclosed area in velocity-time graphs.
Understanding Average Speed for Non-Uniform Motion1 objectives
- Work out average speed for non-uniform motion.
Understanding Motion: Speed, Distance, Time, and Acceleration1 objectives
- Use knowledge of formulae relating distance, time and speed, for uniform motion, and for motion with uniform acceleration.
Understanding Interactions Between Objects1 objectives
- Retrieve and apply knowledge of examples of ways in which objects interact.
Understanding Interaction Pair Forces1 objectives
- Communicate the key features of the way such examples involve interactions between pairs of objects which produce a force on each object.
Forces as Vectors1 objectives
- Develop knowledge and skill in forces as vectors.
Newton's First Law of Motion and its Application to Object Motion1 objectives
- Use knowledge of Newton’s first law to explain the motion of an object moving with uniform velocity and also an object where the speed and/or direction change.
Vector Diagrams: Resultant Forces, Resolution, and Equilibrium (Higher)1 objectives
- Apply vector diagrams to illustrate resolution of forces, a net force (resultant force), and equilibrium situations.
Understanding Forces on Isolated Objects (Higher)1 objectives
- Communicate the key features of examples of the forces acting on an isolated solid object or system.
Understanding Resultant Force with Free Body Diagrams (Higher)1 objectives
- Develop secure knowledge and application of describe, using free body diagrams, examples where two or more forces lead to a resultant force on an object
Understanding Balanced Forces and Zero Resultant Force (Higher Tier)1 objectives
- Develop secure knowledge and application of describe, using free body diagrams, examples of the special case where forces balance to produce a resultant force of zero (qualitative only)
Newton's Second Law: Force, Mass, and Acceleration1 objectives
- Use knowledge of Newton’s second law in calculations relating forces, masses and accelerations.
Inertia and Inertial Mass (Higher)1 objectives
- Account for inertia is a measure of how difficult it is to change the velocity of an object and that the inertial mass is defined as the ratio of force over acceleration.
Understanding Momentum and Collisions (Higher Tier)1 objectives
- Develop knowledge and skill in momentum and describe examples of momentum in collisions.
Understanding Force, Mass, and Acceleration1 objectives
- Use knowledge of formulae relating force, mass, velocity and acceleration to explain how the changes involved are inter-related.
Work Done and Energy Transfer1 objectives
- Apply the relationship between work done, force, and distance moved along the line of action of the force and describe the energy transfer involved.
Understanding Stored Energy and Energy Transfers1 objectives
- Work out relevant values of stored energy and energy transfers; convert between newton-metres and joules.
Understanding Power as the Rate of Energy Transfer1 objectives
- Develop secure knowledge and application of explain, with reference to examples, the definition of power as the rate at which energy is transferred
Understanding Newton's Third Law of Motion1 objectives
- Retrieve and apply knowledge of and apply Newton’s third law.
(Higher) Why Velocity Changes in Uniform Circular Motion1 objectives
- Account for why an object moving in a circle with a constant speed has a changing velocity (qualitative only).
Why Multiple Forces are Needed to Deform Objects1 objectives
- Account for to stretch, bend or compress an object, more than one force has to be applied.
Elastic vs. Plastic Deformation: Stretching Forces1 objectives
- Communicate the key features of the difference between elastic and plastic deformation (distortions) caused by stretching forces.
Understanding the Relationship between Force and Extension in Springs1 objectives
- Communicate the key features of the relationship between force and extension for a spring and other simple systems.
Understanding Linear and Non-Linear Force-Extension Relationships1 objectives
- Communicate the key features of the difference between linear and non-linear relationships between force and extension.
Understanding and Calculating Spring Constant (k)1 objectives
- Work out a spring constant in linear cases.
Work Done in Stretching an Elastic Object (Springs)1 objectives
- Work out the work done in stretching.
Understanding Gravity and Gravitational Fields1 objectives
- Communicate the key features of all matter has a gravitational field that causes attraction, and the field strength is much greater for massive objects.
Understanding Weight and Gravitational Field Strength1 objectives
- Develop knowledge and skill in weight, describe how it is measured and describe the relationship between the weight of an object and the gravitational g field strength,.
Understanding Acceleration in Free Fall1 objectives
- Retrieve and apply knowledge of the acceleration in free fall.
Understanding Force, Mass, and Gravitational Field Strength1 objectives
- Use knowledge of formulae relating force, mass and relevant physical constants, including g gravitational field strength, , to explore how changes in these are inter-related.
Forces Causing Rotation1 objectives
- Communicate the key features of examples in which forces cause rotation.
Understanding the Moment of a Force1 objectives
- Develop knowledge and skill in and calculate the moment of a force.
Understanding Levers and Gears in Transmitting Rotational Effects1 objectives
- Account for the way levers and gears transmit the rotational effects of forces.
Pressure in Fluids1 objectives
- Retrieve and apply knowledge of the pressure in fluids (gases and liquids) causes a net force at right angles to any surface.
Understanding Pressure, Force, and Area1 objectives
- Apply the relationship between the force, the pressure and the area in contact.
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Practice preview
- Which of the following is an example of a scalar quantity?
- Higher Tier: A velocity-time graph shows an object moving at a constant velocity of 5 m/s for 3 seconds, then decelerating uniformly to 0 m/s over the next 2 seconds. What is the total displacement?
- An object accelerates at 3 m/s² when a resultant force of 15 N is applied to it. What is the mass of the object?
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