You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

25 N and 5 N are both what?

1.   ?    forces
2.   ?    distances
3.   ?    times
4.   ?    speeds
5.   ?    accelerations
6.   ?    energy
7.   ?    momentum

You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

25 N and 5 N are both forces.

Is 25 N the input force or the output force?

1.   ?    Input force
2.   ?    Output force

You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

F_out = 25 N

Then 5 N must be the:

1.   ?    Input force
2.   ?    Output force

You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

F_out = 25 N
F_in = 5 N
MA = ?

What is the equation for Mechanical Advantage?

1.   ?    MA = F_out/ F_in
2.   ?    MA = D_e/ D_r
3.   ?    F = ma
4.   ?    S = D/T
5.   ?    a = S/T
6.   ?    D = m/v

You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

F_out = 25 N
F_in = 5 N
MA = ?

MA = F_out/ F_in

Which of the following is correct?

1.   ?    MA = 25N/5N
2.   ?    25N = F_out/5N
3.   ?    MA = 5N/25N
4.   ?    5N = 25N/F_in

You lift a 25 N rock using a lever. If you push on the lever with 5 N, find the mechanical advantage of the lever.

F_out = 25 N
F_in = 5 N
MA = ?

MA = F_out/ F_in
MA = 25N/5N

Which of the following is correct?

1.   ?    MA = 5
2.   ?    MA = 5 N
3.   ?    MA = 5 J
4.   ?    MA = 5ma's

Using a pulley system you pull 10 meters of rope to lift a 12 kg object 5 meters. Find the mechanical advantage of the pulley system.

Which of the following is correct?

1.   ?    m = 12 kg
   De = 10 m
   Dr = 5 m
2.   ?    m = 12 kg
   De = 5m
   Dr = 10 m
3.   ?    a = 12 kg
   F_in = 5m
   F_out = 10m
4.   ?    a = 12 kg
   F_in = 10m
   F_out = 5m

Using a pulley system you pull 10 meters of rope to lift a 12 kg object 5 meters. Find the mechanical advantage of the pulley system.

m = 12 kg
De = 10 m
Dr = 5 m

Which of the following is correct?

1.   ?    MA = F_out/ F_in
2.   ?    MA = D_e/ D_r
3.   ?    F = ma
4.   ?    S = D/T
5.   ?    a = S/T
6.   ?    D = m/v

Using a pulley system you pull 10 meters of rope to lift a 12 kg object 5 meters. Find the mechanical advantage of the pulley system.

m = 12 kg
De = 10 m
Dr = 5 m

MA = D_e/ D_r

Which of the following is correct?

1.   ?    MA = 10m/5m
2.   ?    MA = 5m/10m
3.   ?    10m = 5m/ D_r
4.   ?    5m = 10m/ D_r

Using a pulley system you pull 10 meters of rope to lift a 12 kg object 5 meters. Find the mechanical advantage of the pulley system.

m = 12 kg
De = 10 m
Dr = 5 m

MA = D_e/ D_r
MA = 10m/5m

Which of the following is correct?

1.   ?    MA = 2
2.   ?    MA = 2 kg
3.   ?    MA = 50
4.   ?    MA = 50 kg

You lift a 10 kg box up 3 meters by using a ramp that is 9 meters long.

Which of the following is correct?

1.   ?    m = 10 kg
   De = 9 m
   Dr = 3 m
2.   ?    m = 10 kg
   De = 3 m
   Dr = 9 m
3.   ?    a = 10 kg
   F_in = 2 m
   F_out = 9 m
4.   ?    a = 10 kg
   F_in = 9 m
   F_out = 3 m

You lift a 10 kg box up 3 meters by using a ramp that is 9 meters long.

m = 10 kg
De = 9 m
Dr = 3 m

Which of the following is correct?

1.   ?    MA = F_out/ F_in
2.   ?    MA = D_e/ D_r
3.   ?    F = ma
4.   ?    S = D/T
5.   ?    a = S/T
6.   ?    D = m/v

You lift a 10 kg box up 3 meters by using a ramp that is 9 meters long.

m = 10 kg
De = 9 m
Dr = 3 m

MA = D_e/ D_r

Which of the following is correct?

1.   ?    MA = 9m/3m
2.   ?    MA = 3m/9m
3.   ?    9m = 3m/ D_r
4.   ?    3m = 9m/ D_r

You lift a 10 kg box up 3 meters by using a ramp that is 9 meters long.

m = 10 kg
De = 9 m
Dr = 3 m

MA = D_e/ D_r
MA = 9m/3m

Which of the following is correct?

1.   ?    MA = 3
2.   ?    MA = 3 kg
3.   ?    MA = 27
4.   ?    MA = 27 kg