BrainPop Questions and Answers with Verified Solutions

BrainPop Questions and Answers with Verified Solutions What is true about all forces? They involve more than one object What does the measurement unit N stand for? Newton Which two components must a vector quantity have? Direction and magnitude If the net force on an object is zero, what can you conclude? The object is not accelerating Which one of these arrows best corresponds to the force of drag? arrow going to the left What can you infer about an object moving at a constant velocity? The forces acting on it are in balance Acceleration occurs when an object is subjected to a(n): Unbalanced force What is true of non-contact forces? They become weaker with distance If you drop an egg off of the Empire State Building, which of the following things will happen first? Drag will increase Which of the following statements is always true? Unbalanced forces lead to a change in speed or direction What is gravity? A type of force According to Sir Isaac Newton, gravity depends on two factors. What are they? Mass and Distance The moon's gravity is one-sixth of Earth's gravity. If you weigh 100 Newtons on Earth, how much do you weigh on the moon? 16.667 newtons How does the sun's gravity compare to the earth's gravity? The sun's gravity is stronger