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Norma-Jean [14]
4 years ago
5

Jasper and Gemma are going to play on a teeter totter. Gemma gets on first. When Jasper gets on, Gemma moves into the air, but s

he does not move to the top. Which statement could correctly explain the forces acting on the teeter totter? The forces are balanced because Jasper weighs the same as Gemma.  The forces are unbalanced because Jasper weighs the same as Gemma.  The forces are balanced because Jasper weighs more than Gemma.  The forces are unbalanced because Jasper weighs more than Gemma. 
Physics
2 answers:
Bond [772]4 years ago
8 0

Answer:

A. The forces are balanced because Jasper weighs the same as Gemma.

Explanation:

Took the test

vesna_86 [32]4 years ago
5 0
The forces are unbalanced because Jasper weighs more than Gemma
The side that Gemma is on will only move upwards if the force exerted on the other side is greater than the force exerted by Gemma. In this case, force is referring to the weight of the children. Therefore, in order for Gemma to go upwards, Jasper must weigh more than her.


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what does it mean if the coefficient of friction is greater? for example,a coefficient of friction of 0.1 compared to 0.7
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3 0
3 years ago
Read 2 more answers
block of mass 0.5kg on a horizontal surface is attached to a horizontal spring of negligible mass and spring constant 50N/m . Th
Alisiya [41]

Answer:

Explanation:

The mass of the block is 0.5kg

m = 0.5kg.

The spring constant is 50N/m

k =50N/m.

When the spring is stretch to 0.3m

e=0.3m

The spring oscillates from -0.3 to 0.3m

Therefore, amplitude is A=0.3m

Magnitude of acceleration and the direction of the force

The angular frequency (ω) is given as

ω = √(k/m)

ω = √(50/0.5)

ω = √100

ω = 10rad/s

The acceleration of a SHM is given as

a = -ω²A

a = -10²×0.3

a = -30m/s²

Since we need the magnitude of the acceleration,

Then, a = 30m/s²

To know the direction of net force let apply newtons second law

ΣFnet = ma

Fnet = 0.5 × -30

Fnet = -15N

Fnet = -15•i N

The net force is directed to the negative direction of the x -axis

8 0
4 years ago
A decrease in the magnitude of velocity is called
vagabundo [1.1K]
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6 0
3 years ago
You are in charge of designing a movie stunt for a new Fast and Furious film. In this scene a stunt person has to jump from a br
blondinia [14]

Answer:

103.5 meters

Explanation:

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Also, let assume that the person jump from rest, then, U = 0

Substitute h, U and g into the formula above

22.5 = 1/2 * 9.8 * t^2

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22.5 = 4.9t^2

t^2 = 22.5/4.9

t^2 = 4.59

t = \sqrt{4.592}

t = 2.143 seconds

From definition of speed,

speed = distance /time

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3 0
3 years ago
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