Topic 3 Vocabulary
Use these definitions to complete the Topic 3 Vocabulary worksheet. When you have completed it, answer the questions that follow.
A push or pull acting on an object.
1. Force
2. Action
The initial force exerted by one object on another.
The force exerted by the second object back on the first; equal in strength and opposite in direction to the action.
3. Reaction
4. Exert
To apply a force.
5. Velocity
The measure of the speed and direction of an object's motion.
The quantity of motion an object has, dependent on its mass and velocity; plays a role in action-reaction pairs.
6. Momentum
A description of how forces come in pairs, as stated in Newton's Third Law.
7. Equal and Opposite
Any force that has a magnitude greater than zero. This means the force is strong enough to cause an effect, such as initiating movement or changing an object's state of motion.
8. Non-Zero Force
Topic 3 Vocabulary 8th S
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Transcript
Topic 3 Vocabulary
Use these definitions to complete the Topic 3 Vocabulary worksheet. When you have completed it, answer the questions that follow.
A push or pull acting on an object.
1. Force
2. Action
The initial force exerted by one object on another.
The force exerted by the second object back on the first; equal in strength and opposite in direction to the action.
3. Reaction
4. Exert
To apply a force.
5. Velocity
The measure of the speed and direction of an object's motion.
The quantity of motion an object has, dependent on its mass and velocity; plays a role in action-reaction pairs.
6. Momentum
A description of how forces come in pairs, as stated in Newton's Third Law.
7. Equal and Opposite
Any force that has a magnitude greater than zero. This means the force is strong enough to cause an effect, such as initiating movement or changing an object's state of motion.
8. Non-Zero Force