The acceleration is the ratio of the net force divided by the total mass. Calcul

Question

The acceleration is the ratio of the net force divided by the total mass. Calculate the net force, Fnet, and record it below.

Procedure 1 For Run #1 use the arrangement described above one 20g mass on the mass hanger Weigh the cart and the mass hanger with a 20g mass, and enter these values in Table 1 2. Pull the cart about 25 cm from the endstop. Click Start. Release the cart. Stop the cart before it hits the pulley and click Stop 3. For Run #2, add a 250-g mass to the cart. Weigh the total mass of the cart plus the extra mass and record this value in Table 1 4. For Run #3, add a second 250-g mass to the cart. Weigh the total mass of the cart plus the two extra masses and record this value in Table 1. Table 1 Mass (kg) 0.496 0.023 0.771 1.011 Item Run #1: Mass of the cart Run #1: Total mass of the hanger and 20-g mass | Run #2: Total mass of cart plus one 250-g mass | Run #3: Total mass of cart plus two 250-g masses! Calculations 1. The acceleration is the ratio of the net force divided by the total mass. Calculate the net force, Fnet, and record it below e, Fnet

Explanation / Answer

a = m_hanging * g / ( m_cart + m_hangign)

1 )

a = 20 * 10^-3 * 9.8 / 516 x 10^-3

a = 0.3798 = 0.38 m/s^2

Fnet = ma = 0.196 N

2 )

a = 20 * 10^-3 x 9.8 / 0.043

a = 4.56

Fnet = 4.56 * 0.043 = 0.196

3 )

a = 20 * 10^-3 x 9.8 / 0.771

Fnet = ma

Fnet = 0.196 N

4 )

a = 20 x 10^-3 * 9.8 / 1.011

Fnet = ma

Fnet = 0.196

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