A push or pull that can cause motion.

• velocity

• speed

• cause

• force

Speed in a particular direction

• force

• velocity

• motion

Which of the following models claim 2: The thrusters only slowed the pod, it didn't stop.

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All three chairs have the same mass. Each chair was pushed, but not all from the same direction.

Which chair(s) experienced the strongest force when it was pushed?

• The black chair

• The blue chair

• All three chairs

• The pink and blue chairs

When objects collide, a force is exerted on each object.

• true

• false

In a collision, forces are exerted in which direction

• any direction

• same direction

• opposite directions

Forces in a collision are always

• the same strength

• different strengths

In a collision, which object will have the greater change in velocity?

• the less massive obejct

• the more massive object

Object A is traveling to the right at 5 cm/s. Object B is not moving (0 cm/s). They have different masses. When they collide . . .

• the forces will be different strengths and in the opposite direction

• the forces will be the same strength and in the opposite direction

• the forces will be the same strength in the same direction

• the forces will be different strengths in the same direction

Object A is traveling to the right at 5 cm/s. Object B is not moving (0 cm/s). A has more mass than B. When they collide which object will have a greater change in velocity?

• Object A

• Object B