A 1 kg ball is thrown upwards with a force of 10 N. What is the net force acting on the ball at the peak of its motion?

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Q: A 1 kg ball is thrown upwards with a force of 10 N. What is the net force acting on the ball at the peak of its motion?

Solution: At the peak, the only force acting on the ball is its weight (10 N down), so the net force is 0 N.

Steps: 6

Step 1: Understand that the ball is thrown upwards with a force of 10 N.
Step 2: Recognize that the ball has a weight due to gravity, which is also a force acting downwards.
Step 3: Calculate the weight of the ball. Since the mass of the ball is 1 kg, the weight (force due to gravity) is 1 kg * 9.8 m/s² = 9.8 N down.
Step 4: At the peak of its motion, the upward force (10 N) has been used to overcome gravity, and the ball is momentarily at rest.
Step 5: At the peak, the only force acting on the ball is its weight (9.8 N down).
Step 6: Since the ball is not accelerating at the peak, the net force is the total force acting on it, which is 0 N.