Robert uses two pulleys to lift the 1000 N weight just a little off the ground a

Question

Robert uses two pulleys to lift the 1000 N weight just a little off the ground as shown. With what force does he have to pull down on the rope attached to the smaller pulley to hold the box off the ground?

(a) 0 N

(b) 250 N

(c) 500 N

(d) 1000 N

(e) 1500 N

(f) 2000 N

(g) none of the above

Robert uses two pulleys to lift the 1000 N weight just a little off the ground as shown. With what force does he have to pull down on the rope attached to the smaller pulley to hold the box off the ground? (a) 0 N (b) 250 N (c) 500 N (d) 1000 N (e) 1500 N (f) 2000 N (g) none of the above

Explanation / Answer

here , F applied = 2*T = 2*W = 2*1000

Fapplied = (f) 2000 N

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