What is a force?

Which observations are needed to decide whether a ball moved?

A solid wooden chair does not bend easily under gentle hand pressure. How would you classify it?

A pillow gives way easily when someone presses it. How would you classify it?

A stone is squeezed gently, then pushed across a smooth desk. Which result is most likely?

Mika presses a sponge between both palms. What will most likely happen while she presses?

Bea compares gentle and firm pushes on clay. Which condition should she keep the same for a fair test?

Luis presses a stone and a sponge with the same gentle effort. How will their shapes most likely respond?

Lina presses a light-switch button into the wall plate. What kind of force does her finger apply?

Carlo grips a chair and draws it toward himself. What kind of force does he apply?

Rosa holds a schoolbag still by its handle. In what direction does her hand exert force on the bag?

Read the crate's force diagram. In what direction does the hand exert force?

What information does the pointed end of a force arrow communicate?

When forces are drawn to the same scale, what does a longer arrow represent?

The arrows show equal efforts acting on a crate. Are the forces balanced or unbalanced?

Paolo pushes a stationary cart hard enough to overcome resistance. In which direction does it start moving?

Ana wants to stop a rolling ball. In which direction should she apply a force?

A marble rolls straight ahead. Ben gives it a light sideways tap without stopping it. How does its path change?

Nico gives a rolling cart another shove along its path, stronger than the resistance. What happens to its speed?

Liza will pull a chair toward herself. Which space needs to be clear for the chair to move without a collision?