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Physics

Physics · Quick practice · answer shown after each question

Simple machines

Question 1 of 10

Question 1 of 10

The velocity ratio of a screw jack is

Question 2 of 10

Question 2 of 10

Efficiency of a machine is

Question 3 of 10

Question 3 of 10

A pair of scissors is a lever of the

Question 4 of 10

Question 4 of 10

The velocity ratio of an inclined plane is

Question 5 of 10

Question 5 of 10

A machine can have a mechanical advantage less than 1.

Question 6 of 10

Question 6 of 10

Mechanical advantage (MA) is

Question 7 of 10

Question 7 of 10

An inclined plane is 8 m long and rises 2 m. Find its velocity ratio.

Question 8 of 10

Question 8 of 10

A machine lifts a load of 300 N with an effort of 80 N. Find its mechanical advantage.

Question 9 of 10

Question 9 of 10

A machine lifts 800 N with an effort of 50 N. Its mechanical advantage is ___.

Question 10 of 10

Question 10 of 10

A machine of velocity ratio 6 lifts a load of 400 N with an effort of 100 N. Find its efficiency.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.