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Physics, 03.12.2021 03:00 lilmaddy8856
The force of the ruler on the ball is called an applied force. The force of the barrier on the ball is called a normal force. Both of these forces are exerted by surfaces, and the direction of force is at a right angle to the surface. The difference is that an applied force is exerted by a moving object and a normal force is exerted by a stationary object. Draw two arrows to represent the applied force and the normal force on the ball.
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The force of the ruler on the ball is called an applied force. The force of the barrier on the ball...
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