Question

calculate the work done in pushing a cart through a distance of 50 M against the force of friction equal to 1250 N. also state the type of work done

Answer 1

hey user !!!

GIVEN:-

distance = 50 m
Force= 1250 NEWTONS ..

now ,, the work done by the cart would be =
force × displace
= 1250 × 50
= 62,500 NEWTON M

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Answer 2

GIVEN :

• Distance, d = 50 m
• Force, f = 1250 N

FORMULA :

• Work done = Force × displacement

TO FIND :

• Work done and type of work done.

SOLUTION :

We know that,

W = F × S

Work done = Force × displacement

W = 1250 N × 50 m

$\sf{\boxed{W = 62,500 J}}$

$\therefore$ The work done is 62500 J.

$\therefore$The work done is negative because the force of friction and displacement are acting in the opposite direction.

WE NEED TO KNOW :

• Work done :

• Work is done when an object moves.
• There are three types of work done :- 1. Positive work done, 2. Negative work done, 3. Zero work done.
• Work done by a force is positive when the force acts in the same direction as that of displacement.
• Work done by a force us negative when the force acts in the opposite direction as that of displacement.