Question

types of forces literacy questions
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a ______ is a push or pull on an object. *
your answer
which of the following is an accurate statement regarding friction? *
friction acts in the same direction as the movement of an object.
friction produces heat.
objects with less mass have more friction.
the harder surfaces press together, the less friction there will be.

Explanation:

1. For the first question, by the definition of force in physics, a force is a push or pull on an object.
2. For the second question:

• Friction acts in the opposite direction to the movement of an object (so the first option is wrong).
• Friction does produce heat (e.g., rubbing hands together).
• Friction depends on the nature of surfaces and the normal force (not directly on mass in the way described in the third option).
• The harder surfaces press together (greater normal force), the more friction there is (so the fourth option is wrong).

Answer:

1. Force
2. Friction produces heat.