P 2 Forces 1

What type of quantity has magnitude only?

• scalar

• vector

What is the 'centre of mass'?

• the overall force

• where the weight of an object may be considered to act at a single point

What is inelastic deformation?

• where the object's shape is changed and doesn't return to its original shape

• where the object's shape is changed and doesreturn to its original shape

What does a flat line on a distance-time graph indicate?

• accelerating

• constant speed

• The object is stationary

• Constant velocity

What does a diagonal line on a velocity-time graph tell us?

• accelerating

• constant speed

• The object is stationary

• Constant velocity