Uniform Circular Motion

Question 1

It can be described as the
motion of an object in a
circle at a constant speed.

Answer 1

Uniform Circular Motion

Question 2

As an object moves in a
______, it is constantly
changing its _________.

Answer 2

Circle / Direction

Question 3

The direction of the
velocity vector is the
same as the direction of
the object’s motion,
that is, it is at every
instant is in a direction
_______ to the circle.

Answer 3

Tangent

Question 4

We call the acceleration of
an object moving in uniform
circular motion the

Answer 4

centripetal acceleration (ac).

Question 5

what is the formula of centripetal acceleration ?

Answer 5

v(2) / r

Question 6

A 900-kg car moving at 10 m/s takes a turn around
a circle with a radius of 25.0 m. Determine the acceleration
of the car.

Answer 6

4 m/s(2)

Question 7

Find the centripetal acceleration of an object with a mass of 10 kg moving at 20 m/s with a radius of 30 m

Answer 7

13.33m/s(2)

Question 8

it is responsible for the centripetal acceleration that is directed towards the center of the circle

Answer 8

Centripetal Force

Question 9

If the centripetal force is removed, the object will not continue moving in a circular path. Rather, it will move ______ to the circular path at the point where the force was cut or removed.

Answer 9

Tangent

Question 10

what is the formula o centripetal force?

Answer 10

f(c) =ma(c)

Question 11

what is the other formula of acceleration?

Answer 11

a(c) = f(c) / m

Question 12

A rock tied to a string is moving in a uniform circular motion due to the exerted centripetal force of 10 N causing a centripetal acceleration of 10.5 m/s2. What is the mass of the rock?

Answer 12

0.95 KG

Question 13

is the motion of an object in a circle or arc with a constant speed.

Answer 13

Uniform Circular Motiom

Question 14

“Centripetal” means

Answer 14

center-seeking

Question 15

The direction of a centripetal force and centripetal acceleration is in

Answer 15

the center of rotation