(1 Point)
Physics, 01.03.2021 19:30, dessyrob05
Athletes wear spikes to increaseRequired to answer. Single choice.

(1 Point)
Electrostatic force
Muscular force
gravitational force
Frictional force
55,
Which of these is not true about friction? i. Friction tends to stop a moving object ii. Friction tends to stop a stationary object from moving iii. Friction acts in the same direction as the direction of motion. iv. Friction always help motionRequired to answer. Single choice.

(1 Point)
(i) and (iv)
(i) and (ii)
(iii) and (iv)
(ii) and (iii)
Which of the following is used to reduce friction?Required to answer. Single choice.

(1 Point)
Spikes in the athletic shoes
Set of grooved tyres
grinding stone
Ball bearing
77,
Sliding frictionRequired to answer. Single choice.
(1 Point)
is always greater than static friction
is always greater than rolling friction
is always smaller than rolling friction
may be smaller or greater than rolling friction depending on the surface
88,
In which case is friction a disadvantage?Required to answer. Single choice.
(1 Point)
Running a machine
writing
walking
Applying brakes
99,
The resistance offered by fluidsRequired to answer. Single choice.
(1 Point)
drug
drag
opposite motion
sliding friction
1010,
Which of the following is a contact force? (i) Gravitational force (ii) Electrostatic force (iii) frictional force ( iv) muscular forceRequired to answer. Single choice.
(1 Point)
(iii) and (iv)
( ii) and (iii)
(i) and (iv)
(i) and (ii)
plss tell all the answers its actually options so u can just tell like its the first one for this question in anyways plsss hel
Answers: 3
Physics, 22.06.2019 11:20, James17syoboda
Sound is a disturbance that travels through a medium as a
Answers: 1
Physics, 22.06.2019 14:30, 21schraderlily
Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader
Answers: 1
Physics, 22.06.2019 15:00, rosehayden21
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
Answers: 2
Athletes wear spikes to increaseRequired to answer. Single choice.

(1 Point)
(1 Point)
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