Forces

What's a force?

What's a vector quantity?

Examples of vector quantities?

What's a scalar quantity?

Examples of scalar quantities?

What are the two types of forces?

What's a contact force?

Examples of contact forces?

What's a non-contact force?

Examples of non-contact forces?

What's an interaction pair?

What's gravitational force?

Two important effects of gravitational force

What's the gravitational field strength in Earth?

How does the gravitational field strength vary with location?

What's mass?

Is mass a force?

What's mass measured?

What's weight?

What does weight depend on?

What's weight measured?

Formula for weight

Differences between weight & mass

Is mass & weight directly proportional to each other?

What's a resultant force?

What does the resultant force do?

Formula for resultant force

When is work done?

Consequences moving a object?

Formula for work done

What's the centripetal force?

What does centripetal force create?

Important equation of motion

Distance-time graphs shape

Formula for gradient in distance-time graphs

Velocity-time graphs shape

Formula for gradient in velocity-time graphs

What's hooks law?

What's Newton's first law?

What's Newton's second law?

Formula for Newton's second law

What's Newton's third law?

What's inertia?

How do you make an object stretch, compress or bend?

What is work done transferred to?

What's elastic deformation?

What are elastic objects?

What's inelastic deformation?

Formula for extension of a spring

Is the extension of the spring directly proportional to the force?

What's the limit of proportionally?

What's a moment?

How do you make an object to rotate?

Formula for moment

What's pressure?

What are fluids?

What does a pressure of a fluid mean?

Formula for pressure

What does pressure in a liquid depend on?

What's density?

How does the density in a liquid or gas vary?

Formula for pressure at a certain depth

What's upthrust?

When does an object float?

When does an object sink?

What's distance?

What's displacement?

What's speed?

What's velocity?

Formula for distance travelled

Typical speeds

What can wind speed be affected by?

What's acceleration?

What's deceleration?

Formula for acceleration

What's uniform acceleration?

Formula for uniform acceleration

What's drag?

What's air resistance?

Important factor for reducing drag?

Steps of objects falling through fluids

What does terminal velocity depend on?

What's gravity?

What is terminal velocity of any object determined with?

What does frictional force depend on?