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Subject: Physics, asked 2 weeks ago

Mass and weight difference

Subject: Physics, asked on 6/3/21

Please answer me

Subject: Physics, asked on 1/3/21

Question 1. Answer the following questions:
(a) Explain the following terms:
(i) Electromagnet (ii) Rectilinear Propagation of light (iii) Energy (iv) Weight (v) Temperature
(b) State one point of difference between the following terms:
(i) Static friction and sliding friction.
(ii) Class I lever and Class III lever.
(iii) Luminous and Non-luminous bodies.
(iv) Umbra and Penumbra.
(v) Magnetic and Non-magnetic substances.
(c) Write one function of each of the following:
(i) Magnetic Compass. (ii) Wheel and Axle. (iii) Pin hole camera (iv) Thermometer (v) Screw.
(d) Convert the following quantities:
(i) 0.2 km = __________m.
(ii) 1 yard = __________m.
(iii) 150 kg = _________quintal.
(iv) 5mg = ___________kg.
(v) 5ft = _____________cm.

Subject: Physics, asked on 1/3/21

In a lever, fulcrum is at one end at a distance of 30cm from the load and effort is at the other
end at a distance of 90cm from the load. Find the following:
(i) The length of the load arm.
(ii) The length of effort arm.
(ii) The mechanical advantage of the lever.

Subject: Physics, asked on 23/2/21

what is gravitational force

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