Question

A go-cart and rider have a mass of 100 kg. If the cart accelerates at 5 m/s2 during a 25 m sprint, how much work did the cart do?

Answer 1

AnsWer :-

• We're given that, A go-cart and rider have a mass (m) of 100 kg. The cart Accelerates (a) at 5 m/s² during a 25 m sprint i.e displacement (s) is 25 m
• We need to find the work done by the go-cart.

Work done by the constant force is calculated by the given below formula :-

• Work done = Fs cosθ

But here we need to find the force first, Let's calculate the Force (F) :

→ Force (F) = mass (m) × Acceleration (a)

→ Force (F) = 100 × 5

→ Force (F) = 500 N

∴ Force applied by the go-cart is 500 N.

Now, let's find work done by the go-cart :-

↠Work done (W) = Fs cosθ

↠Work done (W) = 500 × 25 × cos(0°)

↠Work done (W) = 500 × 25 × 1

↠Work done (W) = 12,500 J

∴ Work done by the go-cart is 500 N.

Answer 2

Question :

• A go-cart and rider have a mass of 100 kg. If the cart accelerates at 5 m/s2 during a 25 m sprint, how much work did the cart do?

Let's start :

• Force = mass × acceleration
• Force = 100 × 5
• Force = 500 N

Calculation of 500 N :

• Work done = Fs cos
• Work done = 500 × 25 × cos
• Work done = 500 × 25 × 1
• Work done = 12,500J