1. A bar of metal has a mass 200 g and a certain weight Mass remains the same when
weighted at equator but weight decreases. Why?
2. Differentiate between mass and weight. Write any three differences.
3. How many Newtons are there in Ikg weight?
4. Give reason:
(a) A piece of paper takes much longer to fall than a stone through the same distance,
when both are dropped simultaneously from roof.
(b) The mass is constant everywhere whereas the weight keeps changing.
(e) The value of g keeps changing as we move away from the earth whereas value of G
remains constant all over the universe?
5. The gravitational force between two objects is 100N. How should the distance between
the objects be changed so that force between them becomes 50N?
Answers: 3
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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Physics, 22.06.2019 22:00
Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?
Answers: 3
Physics, 23.06.2019 07:40
If a 250-g mass is hung on two identical springs, hung side by side , and both support the 250-g mass, how much will each spring stretch?
Answers: 1
1. A bar of metal has a mass 200 g and a certain weight Mass remains the same when
weighted at equa...
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