Answered

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Fill in the missing words with words from the box
The ball has constant
Unbalanced perpendicular speed
acceleration center
Velocity
Work
first
This means that it has_
constant
but because its direction is changing, its _ is not constant.
According to Newton's
law, there must be an
force acting on the ball. The kinetic energy of the ball is so no _________ is done
to the direction of motion, in other
words towards theSpeed, kinetic energy and work done are scalar quantities.
Velocity, acceleration, and force are vector quantities
on the ball. This means that the force must be
​

Sagot :

The ball has constant speed

Unbalanced perpendicular speed

acceleration center

Velocity

Work

first

This means that it has constant speed but because its direction is changing, its velocity is not constant.

According to Newton's first law, there must be an unbalanced force acting on the ball. The kinetic energy of the ball is constant so no work is done to the direction of motion, in other

words towards the center. Speed, kinetic energy and work done are scalar quantities.

Velocity, acceleration, and force are vector quantities

on the ball. This means that the force must be perpendicular to the direction of motion.