Question

MULTIPLE CHOICE

1. A merry-go-round horse moves at a constant speed but at a changing ____.
A. velocity
B. balanced force
C. inertia
D. unbalanced force


2. Acceleration is rate of change of ____.
A. position
B. time
C. velocity
D. force


3.If you ride your bike up a hill, then ride down the other side, your acceleration is ____.
A. all positive
B. all negative
C. first positive, then negative
D. first negative, then positive

4. The equation used to find acceleration is a = ____.
A. vf – vi /t
B. v/t
C. vi – vf /t
d. vi + vf /t

Answer 1

Hey Mate ⭐✌⭐

Here's ur answer ⤵

1. A merry-go-round horse moves at a constant speed but at a changing ____.

A. velocity

2. Acceleration is rate of change of ____.

C. velocity

3.If you ride your bike up a hill, then ride down the other side, your acceleration is ____.

A. all positive

4. The equation used to find acceleration is a = ____.

A. vf – vi /t

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Answer 2

hello!!!!....
here is your answer ....
M.C.Qs

◆1.)
A. Velocity...

$<b><i><u>because in a circle the tangent of circle changes at all the points so it's velocity will also change at each point </b></i></u>$

◆2.)
B. Velocity...

$<b><i><u>As we know that acceleration is equal to final velocity - Initial velocity/time so here it's we find the change in velocity </b></i></u>$

◆3.)
D.First negative , then positive

$<b><i><u>because while going in opposite direction of gravity means going upward is taken negative and in the direction gravity it is taken as positive .</b></i></u>$

◆4.)
A.)vf - vi / t

$<b><i><u>here vf stands for final velocity ,vi stands for initial velocity , t stand for time . As we kniw that acceleration change in velocity / time i.e. final velocity - initial velocity / time so here we get vf - vi /t </b></i></u>$

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