Physics, 26.08.2021 14:00, Leeyah9587
Question # 3
In the following figure, XY is a see - saw of 4 metres length. It is pivoted at its midpoint Z.
calculate the anticlockwise moment, about a horizontal axis passing through Z, of a child of weight
230 Newton who sits:
X. Z. Y
a. At X
b. 0.5 m from X
X
c. At Y
d. At Z and explain why it is acting that way
Answers: 3
Physics, 23.06.2019 00:30, SpookyAlex2132
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Physics, 23.06.2019 01:00, star296
Carmen is load furniture and boxes onto a moving truck. she picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. which term best describes the type of force carmen uses? a. contact b. friction c. gravity d. noncontact
Answers: 2
Physics, 23.06.2019 08:00, SCHOOLWORKZ3768
All phase changes are .an example of a phase change is an ice cube melting
Answers: 2
Question # 3
In the following figure, XY is a see - saw of 4 metres length. It is pivoted at its m...
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