The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be applied at the end of the handle to lift a load of 2000N, if the efficiency of the jack is 30% [π = 22/7]?

A. 152.0N
B. 132.0N
C. 15.2N
D. 440.0N

Correct Answer:

Option C = 15.2N

Health Team Original price was: ₦1,000.00.Current price is: ₦300.00.
Factors Affecting Health in Nigeria Original price was: ₦1,000.00.Current price is: ₦300.00.
Primary Health Care Principles Original price was: ₦1,000.00.Current price is: ₦300.00.
Nigeria Healthcare Tiers Original price was: ₦1,000.00.Current price is: ₦300.00.
Primary Health Care - Health According To WHO - Referral System Original price was: ₦1,000.00.Current price is: ₦300.00.

Earn Your Degree In 3 Years Without Writing UTME. Click Here To Learn More.