2. Speedy Gonzales accelerates a 1kg ball 5.0 m/s2 horizontally. The vertical ac

Question

2. Speedy Gonzales accelerates a 1kg ball 5.0 m/s2 horizontally. The vertical acceleration of the ball is zero. The force of gravity is the only external force acting on the ball other than the forces Speedy put on the ball through his amazingly fast running ability. A) How large is the horizontal force Speedy exerts on the ball at this instant to cause its 5.0 m/s2 horizontal acceleration? B) How large is the vertical force Speedy exerts on the ball at this instant? a) 5 N forward b) 9.81N upward

Explanation / Answer

Here, we have

Mass of ball, m= 1 kg

Horizontal acceleration, ax= 5.0 m/s2

As we know that force is the product of mass and acceleration

F = m.a

A.) Fx = 1 kg *5. Fx 0 m/s2 = 5 N

B.) Fy= m. g =1.0*9.81 N = 9.81N

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