When you jump, you accelerate upward because the floor exerts an upward force on you.
a. True
b. False
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[Ques. 2] You push on a wall, and the wall pushes back on you with the same force. This is an example of Newton's third law.
a. True
b. False
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[Ques. 3] To hold a 5 lb bag of sugar in your hand, you must push upwards on it with a force of 5 lb. This is an example of Newton's third law.
a. True
b. False
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[Ques. 4] When a body moves in a straight line with increasing speed, the net force on it must be increasing.
a. True
b. False
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[Ques. 5] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The displacement vector from the equilibrium position points up.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 6] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The displacement vector from the equilibrium position has its largest magnitude.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 7] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The velocity points down.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 8] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The acceleration is zero.
a. True
b. False
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[Ques. 9] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion. The net force points downward.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 10] A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up-and-down motion.The net force on the body has its largest magnitude.
a. True
b. False
Indicate whether the statement is true or false
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