A child presses a toy car away from their hand. Is this a push or a pull?
- Neither
- A push
- A pull
Answer and explanation
A push
The hand exerts a force away from itself on the toy.
Subjects
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A push
The hand exerts a force away from itself on the toy.
A pull
The handle is drawn toward the child.
Its direction
The observed path reverses direction; no material change is implied.
The toy moved toward the door.
Motion describes a change in position relative to something.
For example, gently pushing a toy across an empty table.
Accept a specific safe object and action; do not require this wording.
More than push strength changed, so the cause of any difference is unclear.
Look for recognition of at least one other changed variable.
Describe familiar motions using an object, an action and a direction.
Grades K–2Describe familiar motions using an object, an action and a direction.
Grades K–2Recognize that zero net force does not require zero velocity.
Grades 7–10Recognize that zero net force does not require zero velocity.
Grades 7–10Apply the resultant force rule, including its sign and units.
Grades 8–11Apply the resultant force rule, including its sign and units.
Grades 8–11Identify equal-and-opposite pairs without cancelling the wrong forces.
Grades 8–11Identify equal-and-opposite pairs without cancelling the wrong forces.
Grades 8–11Use force direction and model limitations instead of memorized slogans.
Grades 8–11Use force direction and model limitations instead of memorized slogans.
Grades 8–11Separate an object's mass from the local gravitational force.
Grades 6–10Separate an object's mass from the local gravitational force.
Grades 6–10Use perpendicular distances and check both force and turning balance.
Grades 8–11Use perpendicular distances and check both force and turning balance.
Grades 8–11Use extension, not total length, and distinguish force from stored energy.
Grades 9–12Use extension, not total length, and distinguish force from stored energy.
Grades 9–12Use this rule only for perpendicular components.
Grades 9–12Use consistent SI units and keep the stated direction convention.
Grades 7–10Mass is measured in kg; weight is a force measured in N.
Grades 6–10This is sliding friction with the stated coefficient, not a universal rule for static friction.
Grades 10–12Stay in the linear elastic range; extension is not total spring length.
Grades 9–12Use perpendicular lever arms; neglect the beam’s own weight in this model.
Grades 8–11Formula reference
Grades 6–12Formula reference
Grades 8–11Connect rotation, oscillations, central forces and continuous wave models.
Work with Gauss laws, electrical field models, thermodynamic laws and electromagnetic waves.
Compare relativistic measurement with quantum states, the Schrödinger equation and uncertainty.
Use Lagrangian and Hamiltonian methods, then interpret canonical ensembles.
Explore perturbation theory, scattering, variational quantum estimates and a conceptual bridge to general relativity.