0:00
Hello.
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In this question, we're asked to evaluate the truth of the following statements and select whatever is true.
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And if not, we select none of these.
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So let's start by statement a.
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An object can speed up with negative acceleration.
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Okay, so this is definitely not true.
00:23
In order for an object to speed up, it has positive acceleration.
00:30
Okay, statement b, without acceleration, an object either does not change its position or changes its position linearly.
00:40
Okay, so this statement is true because with zero acceleration, the object may be stationary or moving with constant velocity, so it can not change its position or change its position linearly in time, which means to have connoissell velocity.
01:00
Constant acceleration, constant velocity...